UL / CUL Certified Since 2003  ·  IATF 16949:2016  ·  Exports to 60+ Countries [email protected]
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Contact WCW

Quotes, samples, datasheets, certification documents — one message away. Your enquiry goes straight to Liming Wu (Andy), Sales Manager. Typical reply time: one business day.

Not ready to talk yet? Verify our registration and UL file numbers independently first — USCC 9144030073884893X3 · UL E233803 / E233804 →

Reach Us

Direct Lines

Your sales contact
Liming Wu (Andy)
Sales Manager · WCW
Tel / WhatsApp +86 150 1354 6673
Email [email protected]
WhatsApp Andy
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Email (fastest)
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Tel / WhatsApp
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Headquarters
No.25 Langbei Village, 6th Industry Area, Tongde Community,
Baolong Street, Longgang District, Shenzhen 518116, China
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Manufacturing Bases
Shenzhen (Longgang & Pingshan) · Ningbo · Wahchangwei Industrial Park (Heyuan)
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Working Hours
Mon–Sat, 9:00–18:00 (GMT+8, China Standard Time)
Write an Effective RFQ

Include These Six Things

The more complete your first message, the faster and more accurate our recommendation.

  1. Internal diameter (or wire/cable OD to cover)
  2. Operating temperature — continuous and peak
  3. Voltage requirement (dielectric / withstand rating)
  4. Environment — oil, chemicals, abrasion, flexing, outdoor
  5. Flame standard required (UL VW-1, UL94 V0, glow-wire…)
  6. Annual volume and target price, if any
Sample email subject line: "RFQ – silicone fiberglass sleeving, ID 8 mm, 180 °C (356 °F), 7 kV, 500k pcs/yr" — messages like this get engineering-level replies the same day.
Send RFQ by Email
Request a Quote

Send Us Your Requirement

Fill in what you know — we come back within one business day with a material recommendation, price and lead time. Fields marked * are required.

Or email [email protected] directly.

Ready When You Are

20+ years of application engineering, standing by.

[email protected]