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Welcome to Changzhou Hongxinyutai Precision Mold Co., Ltd. – your trusted partner in precision plastic components for automotive NEV (New Energy Vehicle) water pumps. Since 2017, we have been dedicated to manufacturing high-quality plastic parts that play a critical role in electric vehicle thermal management systems. Our injection-molded components ensure efficient coolant circulation, directly contributing to the performance and longevity of EV powertrains. With a factory spanning 1,000–3,000 square meters and a team of 51–100 skilled employees, we combine technical expertise with rigorous quality control to deliver components that meet the demanding standards of the global automotive industry. Our TS16969 certification reflects our commitment to consistent quality and continuous improvement.
Our Automotive NEV Water Pump Plastic Parts are specifically designed for electric vehicle thermal management systems, where precise coolant circulation is essential for battery temperature regulation, motor cooling, and overall system efficiency. These plastic components replace traditional metal parts in many applications, offering significant weight reduction, corrosion resistance, and cost-effectiveness without compromising durability. Below, we detail the key features and technical specifications that make our parts a reliable choice for OEMs and aftermarket suppliers.
Key Features & Technical Advantages
- High-Performance Engineering Plastics: Our parts are molded from selected engineering plastics (e.g., PBT, PA66) with excellent heat resistance, chemical stability, and mechanical strength. They withstand continuous exposure to coolant fluids at temperatures up to 120°C (peak) and maintain dimensional stability under pressure.
- Precision Injection Molding: Using advanced injection molding machines and custom-developed molds, we achieve tight tolerances (typically ±0.05mm) to ensure perfect fit and sealing in water pump assemblies. This reduces leakage risks and improves pump efficiency.
- Lightweight Design: Plastic components can reduce weight by up to 40% compared to die-cast metal parts, contributing to overall vehicle weight reduction and extended driving range – a critical factor for electric vehicles.
- Corrosion & Chemical Resistance: Unlike metal, plastic parts do not rust or corrode when in contact with coolants, glycol mixtures, or additives. This ensures long service life and minimal maintenance.
- Customizable Geometries: We offer flexible mold design and production capabilities. Whether you need complex impeller shapes, housing covers, or connector fittings, we can tailor the geometry to your specific pump design.
- Consistent Quality & Traceability: Our TS16969-certified quality management system includes process control, inspection protocols, and batch traceability. Every shipment undergoes dimensional and visual checks before dispatch.
Technical Specifications (Typical Values)
| Parameter | Value |
|---|---|
| Material Type | PBT-GF30, PA66-GF30, or equivalent (customer-specified) |
| Operating Temperature Range | -40°C to +120°C (peak 130°C short-term) |
| Tensile Strength | ≥ 120 MPa (depending on grade) |
| Flame Rating | UL94 V-0 (optional) |
| Surface Finish | SPI A2 (high gloss) or as required |
| Dimensional Tolerance | ±0.05mm on critical dimensions |
| Certification | TS16969 |
Benefits to Your Application:
By choosing our plastic water pump parts, you gain:
- Reduced assembly complexity and lower overall system cost.
- Enhanced thermal management performance due to optimized flow channels.
- Improved reliability – plastic parts resist fatigue and cracking better than metal in vibration-prone environments.
- Faster production cycles – injection molding allows high-volume manufacturing with consistent quality.
- Global logistics support – we ship from Jiangsu, Shanghai, and Shenzhen ports to markets worldwide.
Trust & Partnership
Since our establishment in 2017, Changzhou Hongxinyutai Precision Mold Co., Ltd. has grown to serve diverse markets including North America, South America, Europe, Southeast Asia, Africa, and the Middle East. Our team of 51–100 professionals operates a modern factory with advanced injection molding machines, mold design capabilities, and a dedicated quality lab. We hold TS16969 certification, which is a stringent automotive quality standard, ensuring that our processes meet the highest requirements for safety, reliability, and traceability. Our main markets span across 30+ countries, and we have built long-term partnerships with automotive Tier 1 suppliers and EV manufacturers. We invite you to contact us for custom water pump plastic parts that meet your exact specifications. Our engineers are ready to discuss your design and provide samples for testing. Let us help you achieve superior thermal management performance for your electric vehicle platform.
Frequently Asked Questions (FAQ)
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Q: What materials do you use for water pump plastic parts?
A: We primarily use engineering plastics such as PBT (Polybutylene Terephthalate) with glass fiber reinforcement or PA66 (Nylon) with glass fiber. These materials offer excellent heat and chemical resistance for coolant applications. Other materials are available upon request. -
Q: Can you produce parts according to my specific design or drawing?
A: Yes, we offer custom mold design and manufacturing. We can produce parts based on your 2D/3D drawings or samples. Our tooling team will work with you to optimize the design for injection molding. -
Q: What is the typical lead time for molds and production?
A: For new molds, the lead time is usually 25–45 days depending on complexity. Production lead time for orders is typically 15–30 days after mold approval. We can discuss rush orders case by case. -
Q: Do you provide samples for testing before mass production?
A: Yes, we provide samples (T0/T1 samples) from the first mold trial. You can evaluate fit, function, and quality. We adjust the mold based on your feedback. -
Q: Are your parts compatible with standard EV coolants (e.g., Glysantin, water-glycol)?
A: Yes, our materials are selected for compatibility with common automotive coolants, including ethylene glycol and propylene glycol-based fluids. We recommend confirming specific coolant type with us for optimal material selection. -
Q: What quality control measures do you have in place?
A: Our TS16969 certified system includes incoming material inspection, in-process dimensional checks, and final visual/functional testing. We use CMM, projectors, and other instruments. Each batch is traceable. -
Q: What is the minimum order quantity (MOQ)?
A: MOQ depends on the part size and mold complexity. Generally, for custom parts, the MOQ is 10,000–50,000 pieces per year, but we can discuss lower quantities for initial sampling or pilot runs. -
Q: Do you ship to international destinations? What are your shipping terms?
A: Yes, we export worldwide. Our main ports are Jiangsu, Shanghai, and Shenzhen. We offer FOB, CIF, or EXW terms. We can also arrange door-to-door delivery via freight forwarders.
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