Custom Phone Case Manufacturer
FEATURES
Whether you’re a startup or an established brand, Ansix Tech is your trusted partner for growth. Let’s collaborate to elevate your brand to new heights.
Decades of Expertise
With 30 years in the industry, we bring unmatched experience and knowledge to every project.
Robust Infrastructure
Our 200,000+ square meter facility and 1200 skilled employees ensure efficient, high-quality project execution.
Innovative Design
Our expert R&D team of over 100 professionals drives innovation and delivers customized solutions.
Certified Quality
Adhering to global standards, our ISO and BSCI certifications guarantee excellence and sustainability.
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Mold Description
Product Materials:
TPE + PC
Soft rubber: TPE
Mold Material:
S136ESR
Number of Cavities:
1
Glue Feeding Method:
Hot runner
Cooling Method:
Water cooling
Molding Cycle
22.5s

- The mold manufacturing process and product material selection
Everything is Customizable
Our extensive customization options ensure that your mobile phone cases reflect your brand’s unique identity and meet your specific needs.
Material Choices:
Choose materials that speak for your brand.
√ Broad Selection of Materials
We offer a wide range of materials, from eco-friendly options to premium finishes, ensuring your products are both durable and visually appealing.
√ Focus on Sustainability
Choose materials that not only enhance your brand but also care for the planet, aligning with our commitment to sustainability.
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Design Flexibility:
Your imagination is the only limit.
√ Collaborative Design Process
Our team of over 100 professional designers works closely with you to create designs that truly represent your brand’s identity.
√ Comprehensive Design Services
We offer industrial design, mechanical design, and electronic design to ensure your products are innovative and captivating.
Custom Features:
Features as unique as your brand.
√ Tailored to Customer Lifestyles
Customize your products with features like shock absorption, wireless charging compatibility, water resistance, and antimicrobial protection.
√ Enhancing User Experience
We ensure that your products are not just functional but also a joy to use, with features as unique as your brand.
Injection Molds:
Precision and speed are our promises.
√ Advanced Technology and Facilities
We utilize MUD (Modular Unit Die) technology and our 40,000+ square meter facility to deliver precise custom injection molding solutions.
√ Expert Engineering Team
With the expertise of over 40 engineers with more than 10 years of experience, we ensure exceptional accuracy and efficiency in mold crafting.
Packaging Solutions:
Make the first impression count.
√ Customized Packaging Design
Our solutions not only protect your products but also enhance the unboxing experience, reinforcing your brand message.
√ Personalized Branding
We specialize in packaging design that reflects your brand’s unique story, making the first impression count.
Ready To Elevate Your Brand?
Partner with Ansix Tech, your trusted phone case supplier, for innovative solutions. Contact us today to discuss how we can bring your vision to life with our customized phone case offerings info@ansixtech.com.
Made in Ansix Tech
At Ansix Tech, we are more than just a phone case manufacturer; we are your strategic partner in achieving brand excellence. With over 30 years of industry experience, our expansive 200,000+ square meter facility and a dedicated team of 1200+ employees, including 100+ R&D professionals, ensure we deliver one-stop solutions tailored to your needs.
Whether you’re a startup or an established brand, Ansix Tech is your trusted partner for growth. Let’s collaborate to elevate your brand to new heights.

Everything is Customizable
Our extensive customization options ensure that your mobile phone cases reflect your brand’s unique identity and meet your specific needs.
Product Capacity:
Innovating today for the solutions of tomorrow.
· Over 120 injection molding machines, producing 300,000 phone cases and assembling 30,000 sets daily.
· More than 80 mold-making machines, creating 150 molds monthly.
· A team of 100+ product developers and 40+ engineers, each with over 10 years of experience.
· Streamlined logistics and delivery systems ensure timely and reliable product shipment to meet customer demands.
Technology&Innovation:
Unmatched capacity for your growing needs.
· Utilizing overmolding and IM-3D-E technology for multi-material bonding and electronic integration, including wireless charging and NFC.
· Employing heat transfer printing and IMD for vibrant, durable designs.
· Using nano coating and ultrasonic welding for waterproof, anti-fingerprint, and antibacterial properties, ensuring strength and precision.
· Holding 77 R&D patents, offering innovative solutions.
Quality Control:
Innovating today for the solutions of tomorrow.
· Adhering to ISO standards with a comprehensive quality management system.
· 53 quality managers oversee IQC, IPQC, FQC, and OQC, ensuring top standards.
· Equipped with advanced testing equipment to maintain defect rates well below industry averages.
· Issuing detailed quality reports and retaining samples for traceability.
Cost Efficiency:
Efficiency that saves you more.
· Implementing JIT production to minimize inventory and storage costs.
· Automated lines and advanced technologies like IM-3D-E and MUD reduce labor and time.
· Long-term supplier relationships and bulk purchasing lower material costs.
· Flexible production adapts to customer needs, reducing unnecessary expenses.
One-stop Solutions
As a premium phone case factory, Ansix tech provides one-stop solutions that cover every aspect of your project.
From innovative design and prototyping to mass production and quality assurance, our services will make your business more profitable.
Design the Case
Our team designs the case based on your demands. The design fee is USD 200, which could be returned after you kick off tooling.
Material Selection
During the design phase, we help select suitable materials, taking into account your preferences and environmental concerns.
Prototype Making
We make a prototype to verify the structure and appearance. The lead time is about 7 days and cost is about USD 400.
Refinement & Testing
We refine and re-test the prototype if necessary, ensuring it meets all design specifications.
Mold Making
Once the design is finalized, we kick off the tooling, which takes about 35 days.
Packaging Design
We work on packaging design, create samples, and seek your confirmation to ensure the packaging meets your standards.
Golden Sample
We require your sign-off on the golden sample before proceeding to mass production.
Mass Production
The lead time for mass production is approximately 15 days.
Quality Assurance
Before delivery, we perform a final inspection to ensure all products meet the agreed-upon standards and specifications.
Logistics & Shipping
We coordinate logistics and shipping arrangements to ensure timely and secure delivery of your products.
Grateful for Their Trust
1. Laying the Digital Foundation: Design, Prototyping, and Verification
The journey of a custom phone case at Ansix Tech begins long before molten plastic touches a mold. It starts with a collaborative design phase. Engineers conduct a thorough (form analysis) of the 3D model, identifying critical features such as (holes), (slots), (bosses), and (recesses) that will dictate the mold's complexity . For custom cases, this also includes accommodating unique logos, textured patterns, and precise cutouts for ports and buttons.
Prototyping is a critical step for design verification. While traditional methods might involve costly soft tooling, Ansix Tech leverages advanced 3D printing(3D printing and silicone molding) techniques for rapid iteration . Using SLA or DLP printing, a high-precision master model with a surface roughness under Ra0.8μm is created within 48 hours. From this master, silicone molds are cast to produce functional prototypes in polyurethane resins that mimic the final material's properties. This allows clients to physically test the case for fit, feel, and function—verifying assembly with the phone, drop resistance, and the aesthetic appeal of textures—dramatically reducing time-to-market compared to waiting for a production mold .
2. The Science of Substance: Strategic Material Selection
Selecting the right plastic is a cornerstone of performance and cost management. Ansix Tech guides clients through this choice based on the case's intended use. Common materials include:
ABS (Acrylonitrile Butadiene Styrene): A popular choice for its good impact strength, rigidity, and excellent surface finish for painting or plating. Ansix Tech's processing parameters for ABS are finely tuned, with recommended barrel temperatures between 180-230°C and mold temperatures of 50-80°C to ensure optimal flow and minimize defects like sinks or weld lines .
Polycarbonate (PC) and PC/ABS Blends: Chosen for superior toughness and transparency. PC's higher viscosity requires careful mold design to ensure proper filling, often necessitating higher injection pressures and melt temperatures .
Thermoplastic Polyurethanes (TPU): Favored for flexible, shock-absorbent cases. Its elastic properties introduce different considerations for ejection and mold design.
Ansix Tech's value in material optimization is profound. By analyzing the part geometry and stress requirements, their engineers can often recommend a lower-cost material grade or a optimized wall thickness that maintains performance while reducing the volume of plastic used per part. This direct reduction in material cost per unit is one of the most effective ways to lower overall component cost without compromising quality.
3. Simulating Success: Mold Flow Analysis (DFM)
Before a single block of steel is cut, Ansix Tech employs advanced Mold Flow Analysis or Design for Manufacturability (DFM) studies. This computer simulation predicts how the chosen plastic will flow, cool, and shrink within the proposed mold cavity. The DFM report is a crucial risk-mitigation tool, identifying potential issues such as:
Air traps that could cause burning.
Weld lines that weaken the structure or mar aesthetics.
Uneven cooling leading to part warpage.
Excessive injection pressure requirements.
By virtually testing and refining the gate locations, runner system, and cooling channel layout, Ansix Tech eliminates costly trial-and-error during actual mold trials. This proactive approach, part of the modern CAD/CAE/CAM (integration) trend, ensures the mold is built right the first time, saving both time and money .
4. The Heart of Production: Precision Mold Design
The mold is the (mother of industry), a complex, high-precision tool that defines product quality and manufacturing efficiency . Ansix Tech's mold design for phone cases incorporates several critical systems:
Cavity & Core: These form the external and internal shapes of the case. For complex phone cases with button covers and intricate side features, the design often involves side-action mechanisms (sliders) and lifter mechanisms (internal core pulls) to form undercuts and allow clean ejection .
(Gating System): This includes the sprue, runners, and gates that deliver plastic to the cavity. Ansix Tech typically uses small, precision pin-point gates or submarine gates that automatically detach, leaving minimal marks on the case's interior. Runner systems are balanced to ensure uniform filling of all cavities in a multi-cavity mold.
Ejection System: Ejector pins are strategically placed under ribs, bosses, and along thicker sections to apply even force and prevent distortion or damage to the thin-walled case during ejection .
Cooling System: Perhaps the most critical aspect for cycle time and part quality. A network of (cooling channels) is drilled as close as possible to the cavity surface. Efficient cooling ensures the plastic solidifies quickly and uniformly, reducing cycle times (directly boosting efficiency) and preventing warpage. Ansix Tech may use conformal cooling channels or baffles for optimal heat extraction in complex areas.
Venting: Microscopic vents are cut at the end of flow paths and along parting lines to allow trapped air to escape, preventing voids and burn marks.
4. From Design to Steel: The Mold Manufacturing Workflow
Transforming the design into a hardened steel mold is a multi-stage process that Ansix Tech manages with digital precision. The workflow integrates advanced CAD/CAM systems :
Material Procurement: Selecting the appropriate mold steel (such as P20, H13, or S136 for its corrosion resistance and polishability) based on production volume and plastic material.
CNC Machining: Using 3D models, tool paths are generated for CNC milling centers to rough and finish machine the cavity and core blocks. (EDM electrodes) are also machined for intricate details impossible with milling.
Electrical Discharge Machining (EDM): Used to burn precise textures (like leather or grippy patterns) and deep, narrow features into the hardened steel.
Grinding and Polishing: Surfaces are ground to achieve tight tolerances and then polished to a mirror finish, which is replicated onto the plastic part for a high-gloss look.
Assembly and Fitting: All components—sliders, lifters, ejector plates, cooling manifolds—are meticulously assembled. The (mold guiding mechanism) with precision guide pins and bushings ensures perfect alignment between the moving and fixed halves every cycle .
Throughout this process, Ansix Tech employs a rigorous (four-dimensional cost control) system, tracking (labor hours), (materials), (outsourcing), and (overhead allocation) digitally. This allows them to identify and eliminate inefficiencies, such as machining bottlenecks or material waste, ensuring the mold itself is produced cost-effectively .
6. Mastering the Process: Injection Molding Optimization
With the mold mounted in a high-precision injection molding machine, the focus shifts to process optimization for mass production. Ansix Tech's engineers fine-tune a symphony of parameters:
(Temperatures): Barrel zones, nozzle, and mold temperature are precisely controlled.
(Pressures): Injection speed/pressure, holding pressure, and back pressure are optimized to pack the cavity perfectly without causing internal stress or flash.
(Time): Injection, cooling, and cycle times are minimized without sacrificing quality.
Efficiency improvement and cost control are directly linked here. A one-second reduction in cycle time, achieved through optimized cooling or faster injection, can yield hundreds of additional parts per day. Ansix Tech uses IoT-connected machines to monitor equipment utilization and energy consumption in real-time, preventing the (invisible consumption) of cost from machine idle time or suboptimal settings . Furthermore, by implementing an (ABC Model), they accurately attribute energy and machine depreciation costs to each production run, providing clients with transparent and accurate costing .
7. Uncompromising Standards: Quality Control and Assurance
Quality is embedded at every stage. For incoming materials, certificates of analysis are verified. During production, First Article Inspection (FAI) is performed using coordinate measuring machines (CMM) to validate critical dimensions against the CAD model. In-process checks monitor weight, key dimensions, and visual defects. Finished cases undergo functional tests for fit, button tactile response, and drop tests (if specified). This multi-layered approach ensures that every case shipped meets the exacting standards required in the electronics industry.
8. The Final Mile: Packaging and Rapid Delivery
Understanding that speed-to-market is crucial, Ansix Tech has streamlined its post-molding operations. Cases can be automatically sorted, subjected to final visual inspection, and packaged according to client specifications—whether in simple poly bags, retail-ready clamshells, or custom-branded boxes. Integrated logistics partnerships enable rapid delivery, turning the manufacturing floor into a direct extension of the client's supply chain.
Conclusion: The Ansix Tech Advantage – Reliability Engineered Through Cost Intelligence
Ansix Tech's expertise in custom phone case manufacturing is more than just technical proficiency in injection molding. It is a holistic, digital-first project management philosophy that views cost optimization not as an afterthought, but as a design constraint to be engineered into the product from day one.
Their industry experience allows them to anticipate challenges in mold design for complex casings and select the most efficient processing windows. By strategically optimizing material usage, refining the mold design for faster cycles, and implementing digital cost管控 across the entire workflow, Ansix Tech achieves a powerful result: significantly lowering the total cost of ownership for their clients' most critical components.
In an era where customization, speed, and cost are paramount, Ansix Tech demonstrates that the most reliable and valuable manufacturing partner is one that masters not only the science of making things but also the economics behind it. Through their integrated approach, they transform the intricate craft of injection molding into a predictable, efficient, and value-driven engine for their clients' success.
Ansix Tech Co Ltd
If you have any plans related to Custom Phone Case Manufacturer, 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
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