Medical product design capabilities

FEATURES

• Ansix Medical focuses on medical design
  
  
  

  Focus leads to expertise. Over the past seven years, we have successfully designed hundreds of medical devices for hundreds of clients, gaining industry recognition and accumulating professional knowledge in medical regulations, safety design, shielding design, thermal design, and tri-proof design. Ansix Medical Design is committed to becoming a leading professional company in China's medical design industry.

  
  

• Quality Commitment
  
  

  Practicing compliant design with the quality system of the medical industry.                                                                         
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• Market Research
  
  
  

  With a design philosophy of "market customization," we have provided design services to clients in over 20 countries. Our industrial design works have gained widespread international recognition, and the team is committed to continuously enhancing the value and competitiveness of the "Chinese Design" label through extensive design services.

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• Ergonomic Structural Design
  
  
  

  Ergonomics is the foundation of designing a good product, and Ansix Medical has accumulated many years of experience in this area.

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• CMF Applications
  
  

  Process management is achieved through CMF (Color, Material, and Process) formal proposals, which maximize the reproduction of the design. CMF design can help reduce product development costs by assisting material R&D, provide users with a deeper experience, effectively improve product quality, and efficiently adjust product differentiation.

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• Structural & Technical Analysis
  
  
  

  Extensive experience in product R&D and manufacturing, through coordination and efficient communication at each key stage, ensures that the complex process of product development—from design conception to solution finalization, feasibility structural analysis, and mold manufacturing—is carried out safely, reliably, quickly, and efficiently, guaranteeing the product's market launch plan.

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• Electronics and Software Design
  
  

  To meet our clients' diverse electronic hardware design needs, we provide complete electronic and hardware solutions, including hardware technology consulting at the product strategy level, functional development of electronic and embedded systems for actual products, prototyping and testing, cost and reliability optimization, DFM/DFT design, mass production and supply chain management, certification testing, and other services.

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  Prototype Manufacturing and Production

  
  

  We can help you bring your product to market, establish a clear product identity, and ensure brand continuity across your product line. We understand the characteristics of your industry and will utilize rigorously selected upstream and downstream suppliers without reservation, helping you reduce procurement and management costs. We ensure that service design principles are integrated throughout the entire product lifecycle, giving you a competitive edge in the fierce market competition.

  
  

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  Medical Regulations and Labelling

  
  

  We continuously accumulate product design and development capabilities and experience to meet the regulatory and standard requirements of different markets worldwide. Our regulatory consultants always pay attention to the latest changes in international medical device regulations and requirements and integrate the corresponding work into the specific process of project development.

  
  

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• First, Ansix offers end-to-end, one-stop solutions, covering the entire process from concept design, prototyping, mold development, mass production, to logistics and delivery. This integrated collaboration breaks down the fragmented structure of traditional manufacturing, where design and production are disconnected. This not only significantly shortens project cycles but also ensures high consistency and cost control at every stage from initial concept to final product.

  
  

  Second, Ansix's core advantage lies in its unique "collaborative engineering" concept and "design for manufacturing" methodology. Before even cutting steel, its team of over 200 experienced engineers deeply engages in the client's product development process, conducting rigorous manufacturability reviews and mold flow analyses. By optimizing material selection and part geometry, Ansix helps clients effectively eliminate costly design flaws and subsequent mold modifications, such as significantly reducing raw material costs while meeting clinical requirements.

  
  

  Finally, Ansix's comprehensive international certifications are the cornerstone of client trust. The company holds ISO 13485 medical device quality management system certification and has passed ISO Class 8 cleanroom and GMP certifications, fully complying with medical device registration standards in major global markets such as the US FDA 510(k) and the EU MDR. This strict adherence to international regulations ensures that products are safe and effective for global markets from the initial design stage, significantly reducing the risk of product launch for clients.

  
  

  In conclusion, Ansix, with its profound manufacturing expertise, end-to-end design integration capabilities, and internationally leading quality system, has become an ideal partner for medical device industry clients to reliably launch their products in a highly competitive market.

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• Mastering Medical Product Design Capabilities: How Ansix Tech’s Integrated Approach to Project Initiation, Engineering, Manufacturing, and Validation Delivers Uncompromising Quality, Cost Efficiency, and Scalability for Global Medical OEMs
  
  

  
  

  SHENZHEN, China — In the high-stakes arena of medical device manufacturing, precision is not negotiable—it is a prerequisite for patient safety and regulatory approval. From anesthesia needles and catheter connectors to complex diagnostic instrument housings and endoscopic snake bones, every molded component must meet exacting standards of dimensional stability, biocompatibility, and reliability. Amidst a competitive landscape where the global medical injection molding market continues to expand steadily, medical device OEMs increasingly seek manufacturing partners who do more than simply produce parts—they require strategic collaborators capable of delivering end-to-end solutions that reduce costs, accelerate time-to-market, and ensure uncompromising quality.

   

  Ansix Tech Limited, a professional manufacturer with over 28 years of injection molding experience, has positioned itself at the forefront of this specialized field. With more than 30,000 completed mold sets delivered, 260 injection molding machines ranging from 30 to 2,800 tons, and over 1,200 employees including more than 200 designers, Ansix Tech operates as a strategic co-engineering partner rather than a conventional supplier. The company holds ISO 13485:2016 certification for medical devices, along with ISO 9001, IATF 16949, and ISO 14001, ensuring that every action is framed within a quality management system designed for regulatory compliance.

   

  This exclusive industry analysis explores how Ansix Tech’s holistic, data-driven approach—from project initiation and design for manufacturability (DFM) to precision tooling, high-volume production, and rapid delivery—delivers unparalleled value by systematically reducing product costs, increasing production capacity, and ensuring rigorous quality assurance for medical OEMs worldwide.

   

  Part 1: Strategic Project Initiation — Building Value from the First Engagement

   

  For Ansix Tech, a medical injection molding project does not begin with a purchase order for steel—it begins with a collaborative partnership. The company’s “co-engineering” philosophy invites clients to engage from the earliest concept stage, ensuring that the final product is both technically robust and economically optimized from the outset. Approximately 70% of a product’s manufacturing cost is locked in during the initial design phase, and Ansix Tech’s front-loaded engineering approach systematically captures cost-saving opportunities before a single line of mold design is drawn.

   

  At project initiation, Ansix Tech engineers conduct a comprehensive analysis of client requirements, market demands, and regulatory standards. For medical applications, this includes detailed analysis of intended use environments, sterilization methods—autoclave, gamma radiation, ethylene oxide (EtO), or chemical agents—and the specific regulatory pathway the final product must follow, whether FDA 510(k), CE MDR under the European Medical Device Regulation, or NMPA approval in China. This upfront collaboration is the cornerstone of Ansix Tech’s cost-saving strategy, preventing costly redesigns and delays later in the project lifecycle.

   

  Design for Manufacturability (DFM): The Digital Foundation

   

  The cornerstone of Ansix Tech’s engineering workflow is the Design for Manufacturability (DFM) analysis. For medical components that may feature living hinges, ultra-thin walls, and complex internal channels for steering wires and optical fibers, manufacturability is paramount. Ansix Tech engineers scrutinize part designs for potential production pitfalls, examining wall thickness uniformity to prevent sink marks and differential shrinkage, verifying adequate draft angles to enable clean ejection without damaging delicate features, and identifying opportunities to simplify geometry—consolidating what might be multi-part metal assemblies into single injection-molded components.

   

  Key DFM principles applied include uniform wall thickness—typically between 1mm and 3mm for common medical plastics such as PC or ABS—to prevent sink marks and warpage, thereby directly improving yield rates and reducing scrap. Precise draft angles—typically 1° to 3° or greater for textured surfaces—ensure clean part ejection, protecting the mold and preventing damage to delicate features. Strategic use of ribs and gussets instead of thickened walls reduces material weight per part, a cost-saving measure that accumulates over millions of cycles without compromising structural integrity.

   

  Part 2: Medical Material Selection — Balancing Performance and Economics

   

  Material selection is a critical and cost-sensitive decision in medical product design. Ansix Tech guides clients through the complex landscape of medical-grade plastics to find the optimal balance between performance and economy. For non-critical housings, standard polypropylene (PP) materials can reduce per-unit costs by more than 50% compared to engineering polymers. For components requiring autoclave sterilization, high-temperature-resistant materials such as PPS require higher upfront investment but prevent field failures and costly recalls.

   

  The company works with a broad spectrum of medical-grade thermoplastics, including polycarbonate (PC) and PC/ABS blends that provide excellent impact strength, heat resistance, and optical clarity—properties essential for diagnostic housings and single-use device enclosures. Ansix Tech utilizes biocompatible materials that pass ISO 10993 or USP Class VI requirements, such as SABIC’s CYCOLOY HC1204HF and HCX1640 PC/ABS grades, Covestro’s Bayblend M750 and M850 XF RE series, and other engineering polymers like PEEK, PPSU, PEI, and medical-grade nylon for demanding applications.

   

  For components requiring gamma radiation sterilization, Ansix Tech selects radiation-stabilized grades such as PP K4520, PC AC6000, and other gamma-resistant formulations that maintain mechanical properties and color stability after exposure. The company’s material engineering team also advises on specialized materials for specific use cases—transparent nylon (TROGAMID Care) for optical clarity in fluid path components, POM (DURACON PM series) for precision gears and moving parts, and medical-grade silicone for flexible seals and gaskets.

   

  Part 3: Mold Flow Analysis and DFM Engineering — Optimizing Design Before Production

   

  Ansix Tech employs advanced Mold Flow Analysis using platforms such as Moldex3D to conduct detailed three-dimensional analysis of how molten plastic will behave within complex multi-cavity molds. For the company’s flagship 88 Digital Optical Lens Mold project—producing 88 high-precision optical lenses in a single cycle—engineers conducted comprehensive flow analysis based on Navier-Stokes equations for non-isothermal flow, providing invaluable insights that guided critical design decisions.

   

  The DFM analysis evaluates critical parameters including flow front advancement, weld line formation, air trap locations, and pressure distribution. For the 88-cavity optical lens mold, flow analysis identified potential flow imbalance between cavities, prompting modification of the runner system to ensure uniform filling across all cavities. This proactive approach eliminated the risk of costly mold rework after steel cutting, directly reducing tooling costs and accelerating project timelines.

   

  Part 4: Mold Design and Manufacturing — Precision Engineering for High-Volume Production

   

  Mold Design Priorities

   

  For medical injection molds, where typical dimensional tolerances are in the ±0.01mm range and surface finish requirements often demand mirror-polished cavities, design priorities center on several critical elements. Gate location and runner system design must ensure balanced filling across all cavities while minimizing shear-induced degradation of medical-grade polymers. For optical components and transparent medical parts, proprietary gate designs eliminate flow marks and maintain optical clarity.

   

  Cooling System Design

   

  The cooling system—comprising water channels, cooling circuits, and heat transfer pathways—is perhaps the most critical factor determining cycle time and part quality in high-volume medical molding. Ansix Tech employs conformal cooling channel designs that follow the contour of the part geometry, achieving uniform mold temperature without hotspots. For the 88 Digital Optical Lens Mold, perfectly balanced cooling channels maintain consistent quality across all 88 lenses while operating at injection cycle times significantly faster than industry standards. Optimized cooling reduces cooling time from over 14 seconds to as low as 9 seconds in some applications, achieving cycle time reductions of up to 30% and corresponding increases in output of approximately one-third.

   

  Runner and Gating Systems

   

  The runner and gating system must be designed for efficient material flow, minimal pressure drop, and easy degating for high-volume production. Hot runner systems with valve gate control provide precise control over fill rates and pressure profiles, essential for medical components with tight dimensional specifications. Runner balancing ensures that all cavities fill uniformly, a particular challenge for high-cavitation molds producing disposable medical devices such as syringe barrels, luer connectors, and laryngoscope blades.

   

  Ejection System Design

   

  The ejection system—including ejector pins, sleeves, stripper plates, and air poppets—must remove finished parts cleanly without damaging delicate features. For medical components with thin walls, complex geometries, or optical surfaces, ejection forces must be carefully managed to prevent distortion. Ansix Tech engineers optimize ejector pin placement and ejection timing to ensure reliable part release while maintaining surface integrity.

   

  Mold Manufacturing Challenges and Process Flow

   

  Medical mold manufacturing presents unique challenges requiring specialized capabilities. Mold bases must undergo ultrasonic flaw detection and vacuum quenching before machining, and for implantable device molds, the mold base surface must be electrolytically polished to Ra≤0.2μm and pass particle counting tests to ensure cleanliness levels comply with ISO 14644-1 Class 7 standards. The mold manufacturing process flow at Ansix Tech follows a rigorous sequence:

   

  1. Mold Design and CAD/CAM Preparation: Advanced CAD systems create comprehensive three-dimensional models of the entire mold assembly. Computer-aided manufacturing (CAM) programming generates toolpaths for high-speed CNC machining centers, EDM (electrical discharge machining), and wire EDM processes.

   

  2. Mold Base Machining: Roughing and finishing operations on mold bases using high-speed machining centers with automated tool changers and in-process probing for dimensional verification.

   

  3. Cavity and Core Machining: Precision machining of cavity and core inserts, including three-axis and five-axis milling for complex contours. For optical components and high-gloss medical surfaces, diamond-turned or polished cavity surfaces achieve mirror finishes.

   

  4. Electrode Manufacturing and EDM: Graphite or copper electrode manufacturing for EDM of complex features such as deep ribs, narrow slots, and sharp internal corners not accessible by milling.

   

  5. Heat Treatment and Surface Finishing: Vacuum heat treatment for hardness (typically 48–52 HRC for cavity steel, 52–56 HRC for wear-resistant components), followed by surface finishing including polishing, texturing, and coating applications.

   

  6. Assembly and Fitting: Precision assembly of mold components, including guide pins, bushings, ejector systems, cooling circuits, and hot runner systems.

   

  7. Mold Trial and Debugging: Initial mold trials on injection molding machines to verify part quality, dimensional accuracy, and cycle time performance. Ansix Tech achieves an average of just two mold trials per project before production readiness.

   

  8. Process Optimization and Validation: Systematic optimization of injection parameters, followed by IQ/OQ/PQ validation for medical applications.

   

  Part 5: Quality Validation — IQ/OQ/PQ and Beyond

   

  For medical injection molding, quality validation is not an afterthought—it is an embedded requirement throughout the manufacturing lifecycle. Ansix Tech’s quality system, certified to ISO 13485:2016, encompasses every stage from incoming material inspection to final product release, ensuring full traceability and compliance with global regulatory frameworks.

   

  Process Validation (IQ/OQ/PQ)

   

  All critical molding processes must be fully validated to demonstrate process repeatability and capability. The validation framework follows the established IQ (Installation Qualification), OQ (Operational Qualification), and PQ (Performance Qualification) methodology required by FDA and ISO 13485 standards:

   

  Installation Qualification (IQ): Verification that molding machines, auxiliary equipment, and molds are installed correctly according to specifications, with all utilities—electrical, cooling water, compressed air—connected and functioning within required parameters.

   

  Operational Qualification (OQ): Testing of the molding process under controlled conditions to establish operating limits for critical parameters—melt temperature, injection pressure, injection speed, packing pressure, cooling time—and to demonstrate that the process produces parts within specification across the full operating window.

   

  Performance Qualification (PQ): Production runs under normal production conditions to verify that the process consistently produces acceptable product over extended production runs, using statistical process control (SPC) methodologies including CpK analysis and gauge repeatability and reproducibility (GR&R) studies.

   

  In-Process Quality Control

   

  Throughout production, Ansix Tech implements multi-stage quality control protocols. Incoming raw material inspection verifies material certifications, batch traceability, and moisture content before drying. During injection molding, real-time process monitoring tracks critical parameters such as melt temperature, injection pressure, screw position, and cavity pressure—with data logged for each cycle to enable statistical process control and rapid detection of deviations.

   

  Post-molding inspection includes dimensional verification using coordinate measuring machines (CMM), optical comparators, and vision inspection systems. For medical devices, functional testing verifies critical-to-function (CTF) characteristics—for disposable laryngoscope blades, this includes optical transparency testing, light transmission verification, and structural integrity assessment. Residual ethylene oxide after sterilization must be limited to ≤10 μg/g, requiring validated sterilization validation protocols.

   

  Traceability and Documentation

   

  ISO 13485 requires full traceability of every component from raw material to finished product. Ansix Tech maintains complete documentation including batch-level raw material tracking, tooling information, machine settings, quality inspection data, and environmental monitoring records. This documentation supports regulatory submissions for FDA 510(k), CE MDR, and NMPA approvals, and enables rapid root-cause analysis and corrective action in the event of quality issues.

   

  Part 6: Cost Reduction — Systematic Optimization Across Materials, Processes, and Efficiency

   

  Ansix Tech’s cost-saving approach is not a single tactic but a systematic methodology applied across every stage of the product lifecycle. The company’s integrated ecosystem eliminates the fragmentation typically found between material suppliers, mold makers, and production processors, reducing communication gaps and streamlining project timelines.

   

  Material Cost Optimization

   

  By selecting the appropriate material grade for each application—standard PP instead of engineering polymers for non-critical housings, for example—Ansix Tech reduces per-unit material costs by more than 50% without compromising performance. For gamma-sterilized components, selecting radiation-stabilized grades prevents post-sterilization degradation that would otherwise result in field failures and warranty claims. The company also advises on material consolidation—reducing the number of different material types used across a product family to simplify supply chain management and qualify fewer materials.

   

  Process and Cycle Time Optimization

   

  In high-volume medical molding, cycle time dominates per-part cost. Ansix Tech’s engineering team systematically reduces cycle times through several methods:

   

  Optimized cooling system design: Conformal cooling channels that follow part geometry reduce cooling time by 15–30% while improving part quality.

   

  High-cavitation tooling: The 88-cavity optical lens mold produces 88 lenses per cycle, dramatically reducing per-part cycle time and tooling amortization costs.

   

  Scientific molding methodology: Systematic process development identifies the optimal combination of fill speed, packing pressure, and cooling time to achieve the shortest cycle while maintaining quality.

   

  Hot runner systems: Reduced runner waste and faster cycle times compared to cold runner systems.

   

  These optimizations have enabled cycle time reductions of up to 30%, increases in output of approximately one-third, and reductions in manufacturing costs per part of approximately 20% in high-volume applications.

   

  Design for Assembly and Component Consolidation

   

  Ansix Tech integrates features such as snap-fits, living hinges, and integral fasteners directly into molded part designs, reducing post-molding assembly time by up to 40% and eliminating secondary operations and their associated labor costs. Component consolidation—replacing multi-part metal assemblies with single injection-molded plastic components—reduces both part count and assembly complexity.

   

  Tooling Cost Optimization

   

  With over 28 years of mold manufacturing experience and more than 30,000 molds delivered, Ansix Tech has refined tooling strategies that balance upfront investment with long-term production efficiency. The company achieves an average of just two mold trials per project, significantly reducing tooling validation costs. For projects with uncertain demand, Ansix Tech can scale from soft tooling for clinical trial quantities to hard tooling for full-scale production, minimizing upfront investment risk.

   

  Part 7: Capacity and Delivery Assurance — Scaling for Global Medical Demand

   

  Medical device OEMs require reliable, predictable supply chains capable of scaling to meet market demand. Ansix Tech’s global manufacturing footprint—four production bases strategically located across China and Vietnam with a total building area of approximately 200,000 square meters—provides both capacity and supply chain redundancy.

   

  Production Capacity

   

  The company operates 260 injection molding machines ranging from 30 tons to 2,800 tons, enabling production of components from micro-sized precision parts to large medical device housings. For the disposable laryngoscope blade initiative, Ansix Tech has dedicated production capacity of 50,000+ blades per month from hard tooling, with scalability from clinical trial quantities to millions per month. For high-volume medical components such as syringe barrels, luer connectors, and diagnostic device housings, multi-cavity tooling and automated production cells enable sustained high-volume output.

   

  Lead Time and Delivery Performance

   

  Ansix Tech has built its delivery assurance system around several key pillars:

   

  Vertical integration: By controlling design, tooling, production, and logistics under one roof, Ansix Tech eliminates external dependencies and communication delays that commonly extend lead times in fragmented supply chains.

   

  Rapid tooling capabilities: Advanced mold manufacturing technologies reduce mold production time significantly, enabling faster time-to-market for new medical devices.

   

  Emergency response protocols: For critical medical device components, Ansix Tech maintains emergency response protocols that prioritize urgent orders and expedite production when needed.

   

  Inventory management: Strategic raw material stocking and finished goods inventory programs ensure supply continuity during demand surges or supply chain disruptions.

   

  The company achieves 99% on-time delivery performance, with scalable capacity that allows rapid response to market demand fluctuations.

   

  Packaging and Logistics

   

  For medical devices, packaging is not merely protective—it is a critical component of sterility assurance and regulatory compliance. Ansix Tech designs custom, recyclable packaging solutions that protect components during transit while maintaining cleanliness standards. For dental guide plates, the company designed custom plastic trays that hold individual guide plates securely, preventing scratches or deformation during transit. For sterile medical devices, validated sterile barrier packaging systems maintain sterility through distribution and storage.

   

  Part 8: Industry Experience — Proven Reliability Across Medical Applications

   

  Ansix Tech’s 28-year track record spans a diverse range of medical device applications:

   

  Disposable Laryngoscope Blades: The disposable anesthetic laryngoscope is widely recognized as one of the most challenging injection molded products in the medical device category, requiring curved, anatomically contoured geometry across multiple sizes—from neonatal 0# models with wall thicknesses controlled within 1.2mm to adult 4# configurations requiring enhanced strength and rigidity. Ansix Tech has delivered comprehensive solutions incorporating mold flow analysis, precision tooling, and validated production processes for this demanding application.

   

  88 Digital Optical Lens Mold: Producing 88 high-precision optical lenses in a single cycle, this project demonstrates Ansix Tech’s capabilities in high-cavitation molding for optical and imaging applications. Through advanced gating systems and perfectly balanced cooling channels, the mold maintains consistent quality across all 88 lenses while operating at cycle times significantly faster than industry standards.

   

  Medical Instrument Housings: For diagnostic instruments, patient monitoring systems, and therapeutic devices, Ansix Tech produces precision housings that protect sensitive electronics, maintain device sterility, and serve as critical user interfaces. The company’s integrated approach demonstrates that exceptional quality and significant cost reduction are not mutually exclusive objectives.

   

  Dental and Orthopedic Components: From temporary denture base molds to orthopedic instrument components, Ansix Tech delivers biocompatible, dimensionally perfect components with just-in-time delivery capabilities tailored to clinical laboratory needs.

   

  Conclusion: A Strategic Partnership for Medical Device Success

   

  For medical device OEMs navigating the intersection of rigorous quality requirements, aggressive cost targets, and demanding production schedules, the selection of a manufacturing partner is no longer a tactical sourcing decision but a strategic determination of market competitiveness. Ansix Tech’s integrated ecosystem—combining over 28 years of injection molding experience, ISO 13485:2016 certification, global manufacturing capacity, and a co-engineering philosophy that engages from the earliest concept stage—delivers the reliability, cost efficiency, and scalability that medical device manufacturers require.

   

  By systematically addressing every element of medical product design and manufacturing—from material selection and DFM analysis to precision tooling, process validation, and rapid delivery—Ansix Tech transforms what could be a fragmented, high-risk supply chain into a seamless, predictable partnership focused on patient safety and customer success. As the global medical device market continues its trajectory toward higher-volume, higher-precision, single-use devices, Ansix Tech stands ready as a strategic partner capable of meeting the most demanding medical manufacturing challenges while continuously driving down costs and accelerating time-to-market.

   

  About Ansix Tech

   

  Ansix Tech Limited, established in 1998 in Hong Kong, is a global leader in providing end-to-end injection molding solutions for the medical device industry and beyond. The company specializes in the design and manufacturing of injection molds as well as the mechanical design and production of injection-molded components. With ISO 13485:2016, ISO 9001, IATF 16949, and ISO 14001 certifications, four production bases across China and Vietnam, 260 injection molding machines, and over 1,200 employees, Ansix Tech delivers comprehensive solutions from concept to cost-effective mass production. For more information, visit www.ansixtech.com.

   

  Media Contact:

  Ansix Tech Limited

  Email: [info@ansixtech.com]

  Website: www.ansixtech.com

   

   

   

   

  Ansix Tech Co Ltd

  If you have any plans related to Medical product design capabilities , you can contact us at any time. We will turn your ideas into reality, let you realize your dreams, and obtain large orders from the market. Our contact information is info@ansixtech.com. Or contact our CTO, mail: stephen@ansixtech.com