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High frequency litz wire served with natural silk, polyester, or nylon is characterized by increased dimensional stability and mechanical protection. The optimized serving tension ensures high flexibility and prevents splicing or spring up during the process of cutting the litz wire. This splicing effect can cause handling and contacting of the wire ends more difficult in post processing.

Founded in Tianjin, China in 2002, Ruiyuan has been specializing in high quality magnet wire and provides customers with comprehensive services in R&D, manufacture, sales, and after-sales support. We offer a wide range of magnet wires, including ultra fine enameled copper wire, litz wire, served litz wire, TIW wire, and FIW wire. All wires provided by Ruiyuan are UL, RoHS, and ISO certified. Our TIW wire passed UL iQ for Electrical Insulation Systems.

• Professional and experienced technical and overseas sales team
• Technology innovation and high quality wire
• 99.99% pure copper for raw material at minimum
• Annual production: over 3,000 tons

• EV (Electric Vehicles)
• OBC (Onboard charger)
• DC/DC converter
• Wireless charging
• Charging piles
• SMPS (Switch Mode Power Supplies)
• HF transformers
• HF transducers
• HF chokes

1. Can I get sample for testing before bulk order?
Of course. Samples can be offered to you for free, but express costs should be undertaken by buyer.

2. What is your lead time?
Small sample order 3-5 working days; Large order should be within 15 working days after order confirmed.

3. What's your trade term?
EXW, CPT, FOB, CIF, DDU, DDP are all acceptable.

4. What's your payment term?
T/T, D/P, D/A, L/C, PayPal.

5. What's your express service?
FedEx, DHL, TNT, UPS with great discount up to 80%.