Customized 38 AWG 0.1mm * 315 High Frequency Taped Litz Wire Twist litz wire Manufacturer
| Technical data sheet or tapes | PET | PI | |
| Description | Unit | Polyester | Polmide |
| Standard | PET | PI | |
| Breakdown voltage | KV | 5.0 | 5.0 |
| Insulation class(UL) | ℃ | 135(A) | 200(C) |
| Insulation class | ℃ | 130(B) | 200(C) |
| Dielectric constant | εr | 3.3 | 3.4 |
Litz wire has a wide variety of applications, from small lighting rectifiers to large wind turbines, determining the operating frequency of an application is the most important issue to consider when designing a litz wire, we have a professional team with 24 years of work experience,we design the Litz wire according to your requiremnts, and we strictly control the entire production process to ensure the quality and performance of each customer-customized litz wire.
Innovation in artificial intelligence and robotics, autonomous vehicles for commercial, military and private use, advances in medical technology, computing and telecom, along with dozens of other marketplace segments have spawned a worldwide, accelerating demand for technology products.
- What is the minimum order quantity(MOQ)?
The MOQ is 20kg.
2. What is your lead time?
The lead time is 15 days.
3. What is your warranty policy?
Within 2 years, any quality-related issues will be covered by a one-time full replacement of defective products.
4. What is the procurement process?
Submit inquiry with requirements → Sample making → Sample approval → Quotation → Proforma Invoice (PI) → PI confirmation → Payment arrangement → Production → Shipment
5. What are your trade terms?
EXW, CPT, FOB, CIF, DDU, DDP are all acceptable.
6. Can I customize products with my own logo, size, and shape?
Yes, but the MOQ (Minimum Order Quantity) is subject to negotiation.
7. What are your payment methods?
T/T, D/P, L/C, PayPal.
8. Which courier services do you use?
FedEx, DHL, TNT, UPS, with discounts up to 80%.
9. How are your products different from competitors'? What are your advantages?
We offer a full range of high-frequency magnet wire products, including litz wire, rectangular enameled copper wire, round enameled copper wire, triple-insulated wire, etc., to meet various requirements. We support small-batch customization, ensuring quality and delivery even during your R&D or startup phase.
10. Do you charge a mold fee? How much? Is it refundable? How?
A mold fee applies for special customized products, and the amount depends on the specific specifications. The mold fee is refundable after a certain order quantity is reached.
11. What testing equipment do you have?
Laser diameter gauge, high-voltage spark tester, elongation tester, spring-back tester, withstand voltage tester, solderability tester, R esistance Tester etc.
12. What are your specific product categories?
Litz wire, rectangular enameled copper wire, magnet wire, self-bonding wire, TIW (triple-insulated wire), OCC wire, silver wire, silver-plated wire.
13. Which customers or markets are your products suitable for?
Our products are ideal for applications requiring high efficiency and space-saving solutions in high-frequency AC environments, including power electronics & power supplies, EV on-board chargers, wireless charging systems, green energy, communications & IT, medical equipment, industrial robots, servo motors, etc.
14. Which countries or regions have you exported to?
Major markets include Europe and the US, as well as South Korea, Japan, India, and Southeast Asia.
15. Are your products cost-effective? In what ways?
We offer a full range of products with high quality, short lead times, and support for customization and mixed batches, meeting your one-stop purchasing needs.
16. How do you keep customer information confidential?
We can sign a non-disclosure agreement (NDA) upon request and commit to strictly abiding by its terms throughout the entire cooperation process.
5G base station power supply

EV Charging Stations

Industrial Motor

Maglev Trains

Medical Electronics

Wind Turbines


Founded in 2002, Ruiyuan has been in the manufacture of enamelled copper wire for 20 years.We combine the best manufacturing techniques and enamel materials to create a high-quality, best-in-class enameled wire. The enameled copper wire lies at the heart of technology we use every day – appliances, generators, transformers, turbines, coils and much more. Nowadays, Ruiyuan has the global footprint to support our partners in marketplace.





Our Team
Ruiyuan attracts many outstanding technical and management talents, and our founders have built the best team in the industry with our long-term vision. We respects the values of each employee and provides them with a platform to make Ruiyuan a great place to grow a career.











