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7 product lines covering ID 0.3~100.0mm full range, breakdown voltage up to 50kV. Custom manufacturing supported.

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Silicone Fiberglass Silicone Rubber (Fiber/Rubber) Silicone Rubber (Rubber/Fiber) Acrylic Fiberglass Pure Silicone Tube High-Temp Fiberglass PET Braided Sleeving
01

Silicone Fiberglass Sleeving

Alkali-free fiberglass braided, silicone resin coated
Silicone Fiberglass Sleeving - Multi-color Options Model 2753

Woven from alkali-free fiberglass yarn and coated with silicone resin through special composite technology. Complete color and model options available for both high and low voltage grades. Customization supported (e.g., adding PET/fiberglass outer layer).

Applications

Automotive Marine Motors Home Appliance Special Lighting Electronics EV Battery Packs

Specifications

Flame Standard
UL VW-1
Operating Temp
-60℃ ~ +260℃
Breakdown Voltage
Up to 50kV
Customization
PET / Fiberglass layer optional
02

Silicone Rubber Fiberglass Sleeving (Inside Fiber / Outside Rubber)

Heat & cold resistant, anti-tear
Silicone Rubber Sleeving - Inside Fiber / Outside Rubber Structure SRE Series

Woven from alkali-free fiberglass yarn and coated with silicone rubber through special composite treatment. Excellent heat/cold resistance and superior tear strength. Customization supported.

Applications

EV Motors Generators Marine Motors Auto Sensors Home Appliance Special Lighting

Specifications

Flame Standard
UL VW-1
Operating Temp
-60℃ ~ +260℃
Features
Heat/cold resistant, anti-tear
Customization
PET / Fiberglass layer optional
03

Silicone Rubber Fiberglass Sleeving (Inside Rubber / Outside Fiber)

High temp & high pressure resistance
Silicone Rubber Sleeving - Inside Rubber / Outside Fiber Structure SRG Series

Made by extruding silicone rubber into a tube, adding it to woven fiberglass, then coating with silicone resin through special composite treatment. Combines high temperature and high pressure resistance with high mechanical strength.

Applications

Thermal Control Induction Cookers Rice Cookers Thermal Fuses Welding Robots HV HT Wiring

Specifications

Flame Standard
UL VW-1
Operating Temp
-60℃ ~ +260℃
BD Voltage
> 7kV
Features
HV HT, high mechanical strength
04

Acrylic Fiberglass Sleeving

First in China with UL / CUL certified
Acrylic Fiberglass Sleeving - Multi-color Options Model 2740

Inner layer woven from fiberglass, then coated with acrylic resin through special composite treatment. First in China to obtain UL & CUL certification, plus UL UZFT2 and CUL UZFT8 — only 10+ companies worldwide hold this certification. Resistant to chemical solvents and abrasion.

Applications

Transformers Inverters Wind Turbines Compressor Motors Insulating Liquid Contact

Specifications

Flame Standard
UL VW-1
Operating Temp
-60℃ ~ +155℃
Features
Chemical & abrasion resistant
Certifications
UL UZFT2 / CUL UZFT8
05

Pure Silicone Rubber Tube (PSR Series)

Medical-grade, body-friendly
Pure Silicone Tube - Translucent color Options PSR Series

Extruded using imported raw materials from Japan, USA and Germany through special machines. Can produce high transparency, semi-transparency, milky white and flame retardant versions per customer requirements. Full customization supported.

Applications

Water Dispensers Coffee Machines Steam Cleaners Ventilators Oxygen Concentrators Dental Equipment Beauty Devices

Specifications

Operating Temp
-60℃ ~ +230℃
BD Voltage
4000V ~ 10000V
Features
Ozone & aging resistant
Special
Body-friendly, medical grade
06

High-Temperature Fiberglass Sleeving

Designed for sustained high-temp environments
High-Temperature Fiberglass Sleeving SRS Series

Woven from fiberglass and composited through special technology. High temperature resistance, soft and smooth surface — purpose-built for sustained high temperature applications.

Applications

Hot Runner Systems Smelting Equipment Auto Engines Sustained HT Equipment

Specifications

Operating Temp
-60℃ ~ +600℃
BD Voltage
300V ~ 700V
Features
HT resistant, soft, smooth
Use Case
Sustained high-temp
07

PET Expandable Braided Sleeving

Eco-friendly PET monofilament
PET Expandable Sleeving - Black and multicolor options PET Series

Woven from high-strength eco-friendly PET monofilament, expandable for various sizes. The essential choice for wire bundling inside all kinds of electronic and electrical equipment.

Applications

Auto Wiring Harness Computer Cases Speakers Auto Headlights Wire Bundling

Specifications

Operating Temp
-60℃ ~ +155℃
Features
Flame retardant, heat dissipation
Properties
Aging/UV/acid-alkali-salt resistant
Material
Eco-friendly PET monofilament

Manufacturing Capabilities

Scaled, automated modern manufacturing system

01

Equipment Advantage

  • 20 high-temp composite production lines
  • 4000+ automatic high-speed braiding machines
  • 30+ automatic silicone feeding systems
  • 15 silicone extrude systems
  • 20 microcomputer cutting machines
02

Scale Advantage

  • 5 modern production bases
  • 2 logistics centers
  • 200 million meters annual capacity
  • ID range 0.3~100.0mm
  • Breakdown voltage up to 50kV
03

Testing & R&D Advantage

  • Breakdown voltage testers
  • UL94 flame retardant testers
  • High-low temperature aging testers
  • Tear / tensile / bending testers
  • 85 patents (5 invention patents)

Quality Testing

8 testing procedures ensuring complete quality assurance

⚡

Voltage Test

Breakdown voltage

💪

Tensile Test

Tensile strength

🔥

Flame Test

UL94 grade

⏳

Aging Test

HT/LT cycling

🛢️

Oil Resistance

Oil resistance

🔄

Abrasion Test

Wear resistance

⬇️

Compression

Crush resistance

↔️

Bending Test

Flex fatigue

Certifications

Internationally recognized, globally trusted

ISO
ISO9001:2015
Quality Management
ISO
ISO14001:2015
Environmental Management
ISO
ISO45001:2018
Occupational Health
IATF
IATF16949:2016
Automotive Quality
UL
UL / CUL
Safety Certified
UL
UL UZFT2
CUL UZFT8

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Custom manufacturing supported — from specifications to colors, structure to performance. WCW crafts solutions tailored to your needs.

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