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Welcome to Changzhou Hongxinyutai Precision Mold Co., Ltd. – your trusted partner for custom magnetic rotor injection molding and auto EPS motor shaft turnkey fabrication. Since 2017, we have been serving global clients, including the USA market, with precision-engineered components that meet rigorous automotive standards. Our facility, certified under TS16969, ensures that every magnetic rotor and EPS motor shaft we produce delivers consistent performance, durability, and cost-efficiency. With a dedicated team of 51-100 skilled professionals and a factory spanning 1,000-3,000 square meters, we are equipped to handle complex projects from design to shipment.
Our turnkey fabrication service covers the entire production cycle: from mold design and injection molding to final assembly and quality inspection. Whether you need a standard magnetic rotor for an EPS motor or a fully customized shaft with specific tolerances, our experienced engineers work closely with you to ensure the result meets your exact requirements. We take pride in our ability to deliver large volumes with consistent quality, supported by our modern injection molding machines and precision measurement tools.
Key Product Features & Technical Specifications
- High-Performance Magnetic Rotor: Designed for automotive EPS motors, our rotors offer excellent magnetic flux density and thermal stability, ensuring smooth steering assistance.
- Precision Injection Molding: Using advanced injection molding machines, we achieve tight tolerances (e.g., ±0.05mm) and consistent part-to-part repeatability.
- Customizable Material Options: We support various magnetic compounds (ferrite, NdFeB bonded) and engineering plastics (PA66, PPS, etc.) to match your application requirements.
- Integrated Shaft Fabrication: The EPS motor shaft is produced via turning, grinding, and heat treatment, with optional surface coating (e.g., zinc plating, black oxide) for corrosion resistance.
- Complete Turnkey Solution: From mold design to mass production, assembly, and packaging – we handle every step, reducing your supply chain complexity.
- Rigorous Quality Control: Every batch undergoes dimensional inspection, magnetic property testing, and functional performance checks, aligned with TS16969 standards.
| Parameter | Value Range |
|---|---|
| Rotor Outer Diameter | 30 – 120 mm |
| Shaft Diameter | 8 – 30 mm |
| Magnetic Material Grade | Ferrite / NdFeB (custom) |
| Tolerance (critical dimensions) | ±0.05 mm |
| Operating Temperature | -40°C to +150°C |
| Surface Finish (shaft) | Ra ≤ 0.8 μm |
Advantages for Your Business
- Reduced Lead Time: As a turnkey facility, we synchronize mold making, injection molding, and machining, shortening your time-to-market by up to 30%.
- Cost Optimization: In-house production eliminates multiple intermediaries, and our volume purchasing power for raw materials lowers unit costs.
- One-Stop Responsibility: Single point of contact for design, production, quality, and logistics – no more coordination headaches.
- Global Shipping Experience: We regularly export to North America, Europe, and other regions, with reliable port options (Jiangsu, Shanghai, Shenzhen) and proper packing for ocean/air freight.
- Scalable Production: Whether you need 1,000 or 100,000 pieces per month, our facility can scale to meet your demand without sacrificing quality.
Trust & Reliability
Since our establishment in 2017, Changzhou Hongxinyutai Precision Mold Co., Ltd. has built a strong reputation in the automotive supply chain. Our TS16969 certification (a recognized automotive quality management system) demonstrates our commitment to defect prevention and continuous improvement. We have successfully served clients in the USA, Europe, and Asia, delivering over 5 million magnetic rotors and EPS shafts annually. Our factory is equipped with 15 injection molding machines and 20 CNC machining centers, ensuring we can handle both prototypes and mass production. When you choose us, you choose a partner who understands the precision and reliability required for automotive safety-critical components.
We invite you to discuss your specific magnetic rotor or EPS motor shaft project. Contact us today for a free consultation and quotation. Our team is ready to provide engineering support, sample parts, and a competitive turnkey solution tailored to your needs.
Frequently Asked Questions (FAQ)
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What is the typical lead time for a custom magnetic rotor injection molding project?
Lead time depends on complexity and order quantity. Typically, mold design takes 2-3 weeks, first samples in 4-6 weeks, and mass production 2-4 weeks after approval. We can provide a detailed schedule upon request. -
Do you offer prototype samples before mass production?
Yes, we provide prototype samples for customer approval. A small sample fee is required, which is refundable upon mass production orders. -
Can you produce magnetic rotors with different magnet materials?
Absolutely. We support ferrite, bonded NdFeB, and sintered NdFeB magnets, depending on your required magnetic performance and cost target. -
What is the minimum order quantity (MOQ) for EPS motor shafts?
MOQ is typically 500 pieces for custom designs. For standard designs, we can accommodate smaller quantities. Please contact us for specific requirements. -
How do you ensure the quality of each batch?
We follow TS16969 quality management system, including incoming material inspection, in-process control, and final functional testing. Each shipment includes a Certificate of Conformance (COC) and dimensional report. -
Do you provide drop shipping or direct shipment to our customers in the USA?
Yes, we can arrange direct shipment from our factory to your designated address in the USA or any other country. We handle all export documentation. -
Can you customize the shaft surface treatment (e.g., DLC coating)?
Many surface treatments are available, including zinc plating, black oxide, and DLC (Diamond-like Carbon) coating. Please specify your requirement, and we will advise on feasibility and cost. -
What is your payment term?
Typical payment terms are T/T (30% deposit, 70% before shipment) or L/C at sight. For long-term contracts, we can discuss flexible terms.
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