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Help CenterCustom Plastic Injection Molding for NEV Assembly – Thin-Wall Design, Creep-Resistant Material, 100% CMM Inspection, IATF 16949:2016
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Changzhou Hongxinyutai Precision Mold Co., Ltd., established in 2017, is a dedicated manufacturer with a 1,000–3,000 m² facility and a skilled team of 51–100 employees. We specialize in custom plastic injection molding for NEV (New Energy Vehicle) assembly, delivering high-performance components that meet the rigorous demands of the automotive industry. Our manufacturing process integrates thin-wall design capabilities, creep-resistant materials, and 100% CMM inspection to ensure every part meets the exact specifications required for modern electric vehicles. As an IATF 16949:2016 certified supplier, we combine precision engineering with cost-effective production to support your assembly line needs.
Our thin-wall injection molding technology allows us to produce lightweight yet strong components with wall thicknesses as low as 0.5 mm, reducing material usage and overall part weight. This is particularly beneficial for NEV battery housings, connectors, and interior trim parts where weight reduction is critical for range optimization. The use of creep-resistant engineering plastics—such as PA66, PBT, and PPS—ensures dimensional stability under continuous load and elevated temperatures, which is essential for safety-critical applications in electric vehicles.
Every part undergoes 100% CMM (Coordinate Measuring Machine) inspection to guarantee dimensional accuracy within ±0.01 mm. Combined with our IATF 16949:2016 quality management system, we provide complete traceability and consistent quality batch after batch. Our experienced engineers work closely with clients from prototype to mass production, offering mold design optimization, material selection guidance, and rapid turnaround times.
Key Features & Technical Specifications
- Thin-Wall Design: Achieve wall thickness from 0.5 mm to 2.0 mm, with high flow materials to fill complex cavities.
- Creep-Resistant Materials: Use of engineering plastics with enhanced creep resistance (e.g., PA66+GF30, PPS, PBT) for long-term load-bearing applications.
- 100% CMM Inspection: Every part verified by automated CMM, ensuring tight tolerances (±0.01 mm) and zero defects.
- IATF 16949:2016 Certified: Full compliance with automotive quality standards, including APQP, PPAP, FMEA, and SPC.
- Customizable Color & Finishes: We offer a wide range of colors (RAL/Pantone) and surface textures (gloss, matte, textured).
- Mold Life & Maintenance: High-quality tool steel molds with expected life of 500,000+ shots, with regular maintenance programs.
| Parameter | Value |
| Wall Thickness Range | 0.5 – 2.0 mm |
| Tolerance | ±0.01 mm (CMM verified) |
| Material Options | PA66, PA6, PBT, PPS, PPA, LCP (with glass/carbon fiber reinforcement) |
| Creep Resistance (at 23°C, 50% RH) | ≤0.5% strain after 1000 hrs at 30 MPa load |
| Mold Cavity Count | 1 to 64 cavities (custom) |
| Production Volume | 100 – 1,000,000+ parts per year |
Benefits to Your Business: By choosing our custom injection molding service, you gain access to a reliable partner that reduces your total cost of ownership. The thin-wall design minimizes material consumption and cycle time, while creep-resistant materials extend part life in demanding NEV environments. Our 100% CMM inspection eliminates the risk of out-of-spec parts reaching your assembly line, preventing costly rework. The IATF 16949:2016 certification ensures that our processes align with global automotive OEM requirements, simplifying your supplier qualification process.
We serve a wide range of NEV applications including battery module housings, cooling system components, high-voltage connectors, sensor brackets, and interior structural parts. Our engineering team can assist with design for manufacturability (DFM) to optimize your part geometry for thin-wall injection molding, reducing weight and improving performance.
Trust & Reliability
Changzhou Hongxinyutai Precision Mold Co., Ltd. has been delivering precision plastic parts since 2017. Our factory spans 1,000–3,000 square meters and is equipped with advanced injection molding machines (from 60T to 500T) and automated inspection systems. We export to major markets including North America, Europe, Southeast Asia, and Oceania, with ports of shipment in Jiangsu, Shanghai, and Shenzhen. Our team of 51–100 experienced professionals, combined with our IATF 16949:2016 quality system, ensures that every order meets the highest standards of consistency and reliability.
We invite you to experience our commitment to quality and innovation. Contact us today to discuss your NEV assembly parts requirements, request a quotation, or schedule a factory audit. Let us help you accelerate your electric vehicle production with precision-molded components that you can trust.
Frequently Asked Questions (FAQ)
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Q: What is the minimum order quantity (MOQ) for custom injection molding?
A: Our MOQ starts at 1,000 pieces for simple parts, but we can accommodate smaller quantities for prototype runs. Please contact us with your specific requirements for a tailored solution. -
Q: How long does it take to produce a new mold and first samples?
A: Typical mold fabrication takes 25–45 days depending on complexity. First samples (T0) are usually available within 7–10 days after mold completion. We offer expedited services for urgent projects. -
Q: Can you work with customer-supplied materials or specific resin grades?
A: Yes, we can process customer-supplied materials as long as they are suitable for injection molding. We also provide material recommendations based on your application for creep resistance and thin-wall flow. -
Q: What is the cost of a mold for a typical NEV part?
A: Mold cost varies widely based on part size, complexity, cavity count, and steel type. Typically, a single-cavity mold for a small part starts from $3,000–$8,000. We provide free DFM analysis and a detailed quotation after reviewing your 3D file. -
Q: How do you ensure the dimensional accuracy of thin-wall parts?
A: We use mold flow simulation to optimize gate locations and cooling, then produce the mold with high-precision CNC and EDM. Every production part is inspected with a CMM (100% or sampling per agreement) to guarantee ±0.01 mm tolerances. -
Q: Do you offer post-processing services like assembly, printing, or packaging?
A: Yes, we provide value-added services including ultrasonic welding, hot stamping, laser marking, and custom packaging. Please inquire about your specific needs. -
Q: Is your IATF 16949:2016 certification valid for all products?
A: Yes, our entire manufacturing facility operates under the IATF 16949:2016 quality management system, covering design, production, and inspection of automotive plastic parts. We can provide PPAP documentation upon request. -
Q: What are the shipping options from your factory?
A: We ship from Jiangsu, Shanghai, or Shenzhen ports via sea, air, or express courier (DHL, FedEx, UPS). For domestic Chinese customers, we also offer truck delivery.
Ready to start your next project? Contact us with your design files, and we will provide a comprehensive solution including DFM, mold design, material selection, and production timeline. Let Changzhou Hongxinyutai Precision Mold Co., Ltd. be your trusted partner for NEV assembly components.
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