WCW INSULATION PROTECTION SYSTEMS
Professional High-Temperature Insulation & Protection Sleeves for NEV, Automotive Harness & Industrial Equipment
Since 2002, WCW has supported automotive harnesses, NEV powertrain projects, drive motors, transformers, inductors, liquid cooling systems, medical devices and baby care applications with fiberglass sleeving, heat shrink tubing, silicone hose, PTFE tubing, PA/PU tubing, braided sleeving and specialty protection materials. Samples, datasheets, test reports, certification files and cross-reference support are available for faster validation.
Send Your RFQ First
Initial Reply Within 24 Hours
Send the product type, sleeve sizes in mm, temperature class, voltage requirement or application. We will recommend a suitable product line, sample plan and supporting documents.
Why Choose WCW
One-Stop Wire Harness Protection Supply
From fiberglass sleeving and heat shrink tubing to braided sleeving and fastening materials, reduce the cost of managing multiple suppliers.
Focused on Automotive and Magnetic Components
Serving applications such as complete wire harnesses, battery packs, drive motors, transformers, inductors, reactors and power modules.
Balanced Cost and Reliability
Performance aligned with international brands, with support for localization replacement, fast sampling, custom development and certification coordination.
About WCW
Turn Material Capability into Practical Protection Solutions
Shenzhen Wachangwei Industrial Co., Ltd. is a national high-tech enterprise focused on the R&D, production, and sales of high-performance composite materials. We have long served automotive components, motors, battery systems, electrical products, and industrial equipment with an emphasis on full-chain support from material performance and process stability to delivery efficiency.
Building on its multi-site manufacturing and service network, WCW is expanding the Heyuan new-material industrial park, growing its R&D center, automated braiding lines, and automotive quality-management capabilities to support long-term collaboration on localization replacement and new project launches.
Development History
Company Development History
Shenzhen Wachangwei Industrial Co., Ltd. was founded
WCW was established in Shenzhen and entered the high-temperature composite insulation sleeving field.
Obtained UL and CUL certifications
WCW obtained UL and CUL safety certifications, along with 2 copyrights and 3 registered trademarks.
Shenzhen Huachangwei Technology was established
Shenzhen Huachangwei Technology Co., Ltd. was established to strengthen technical and business collaboration.
Regional offices were opened
WCW set up Zhejiang and Shunde offices to expand regional service coverage.
Ningbo Wachangwei was established
Ningbo Wachangwei Electrical Materials Co., Ltd. was established; WCW was certified as a National and Shenzhen High-tech Enterprise.
New factory premises were purchased
WCW purchased new factory premises to support continued manufacturing expansion.
Management system certifications passed
WCW passed ISO9001 and IATF16949 certifications, further improving quality management.
Recognized as an innovative enterprise
WCW won the title of Top 100 Independent Innovation Small and Medium-sized Enterprises of 2014.
Product certification breakthrough
Acrylic fiberglass sleeving obtained UL UZFT2 and CUL UZFT8 certifications, and WCW again won Shenzhen innovation recognition.
Environmental and occupational health systems certified
WCW passed ISO14001 and ISO45001 certifications, continuing to upgrade its management systems.
Heyuan production and R&D base started
With investment support from Heyuan National High-Tech Zone, WCW was approved a 30000 m2 industrial site for a modern production and R&D base.
Manufacturing Footprint
Manufacturing Network and Site Layout
Centered on the Heyuan manufacturing park and coordinated with Shenzhen headquarters, Shenzhen Factory II and the Ningbo office for linked R&D, production and business support.
Shenzhen Headquarters
Shenzhen Headquarters
Acts as the coordination and operations center for customer development, project communication, sample response and supply-chain collaboration.
Address: No. 25, Sixth Industrial Zone, Langbei, Tongde Community, Baolong Street, Longgang District, Shenzhen
Shenzhen Factory II
Shenzhen Factory II
Expands production and delivery capacity in Shenzhen, supporting sampling, order transfer and multi-site coordinated manufacturing.
Address: No. 48, Baozhu Road, Liulian Community, Pingshan District, Shenzhen
Ningbo Office
Ningbo Office
Supports customer needs in East China, including business communication, sample coordination and regional project follow-up.
Address: No. 37, Lane 777, Qingfeng Road, Cicheng Town, Jiangbei District, Ningbo, Zhejiang
Heyuan Industrial Park
Heyuan Factory
The core manufacturing base of the new-material industrial park, supporting scaled production, automated line upgrades and future capacity expansion.
Address: No. 12, Zhenye Road, Industrial Park, Yuancheng District, Heyuan
Park Entrance
Industrial Park Entrance
Shows the park image and visitor reception entrance, reinforcing the scale and brand identity of the manufacturing campus.
Address: No. 12, Zhenye Road, Industrial Park, Yuancheng District, Heyuan
Application Scenarios
Application Scenarios
Capabilities
Capabilities and Certifications
Highlights manufacturing strengths, scale, testing capability and product certifications to help customers quickly understand WCW's production foundation and quality assurance system.
Electrical Protection
Electrical Protection
Sizes cover 0.3 mm to 100 mm. Product-specific test values range from 1.2 kV to 50 kV under defined methods; confirm the grade, method and scope for each model.
Temperature Protection
High and Low Temperature Protection
Across different product families, the combined application range is -70°C to 1000°C. The 1000°C figure is a short-term reference for specific fire sleeves, not a continuous rating for every product; confirm the model and test conditions.
Fire Retardant
Fire Retardant Protection
Addresses glow-wire, UL1441 VW-1 and UL94 V0 flame-retardant requirements for home appliances, heating equipment and welding robots.
Fluid Transfer
Fluid Transfer
Showcases three-layer silicone hose, silicone hose, PTFE tubing and PVC tubing, with emphasis on food-grade, high-temperature and PFAS-free options.
Abrasion Protection
Abrasion Protection
Built around wrapped tubing, self-wrapping sleeving, corrugated tubing and PET braided sleeving for inverter, generator and robot harness protection.
Impact Protection
Impact Protection
Emphasizes impact resistance, crush resistance, routing flexibility and installation efficiency for wind power, rail, engine-bay and marine motor systems.
Wire Routing
Wire Routing
Focused on space saving and lightweight routing for internal harness management in automotive systems, speakers and computer chassis.
If you already have a specific working condition, we can recommend materials directly by application
Send voltage, temperature, flame rating, oil resistance, media, color, wall thickness, flexibility, connection structure or cut-length requirements, and we will match suitable samples, specifications and validation documents quickly.
Quick Access
Industry Applications
Industry Applications
Wire Harness Industry Case
For automotive harnesses, NEV high-voltage harnesses, industrial control cabinets, medical equipment, rail transit and aerospace wiring, WCW builds material combinations around abrasion resistance, heat resistance, waterproof sealing, bundling and long-term reliability.
- Typical positions: engine bay, chassis harness, sensor harness, connector ends and internal equipment wiring.
- Recommended materials: self-wrapping sleeve, corrugated tube, PET braided sleeving, dual-wall heat shrink tubing and silicone resin fiberglass sleeving.
Automotive & New Energy E-Drive Case
For OEMs, Tier 1 suppliers, NEV powertrain teams, harness factories, motor plants, connector makers and electronics module customers, WCW supports harness protection from engineering validation to supply-chain cost reduction.
- Typical scenarios: battery packs, drive motors, electric control systems, high-voltage harnesses, engine bay and chassis protection.
- Recommended materials: heat shrink tubing, dual-wall adhesive heat shrink, PET sleeving, fiberglass sleeving, PTFE tubing and cable ties.
Motor Industry Case
For drive motors, compressor motors, generators, pump and valve motors, fan motors and industrial motors, WCW helps solve thermal aging, oil resistance, abrasion, high breakdown voltage and assembly compression issues.
- Typical positions: motor lead wires, winding ends, oil-cooled motors, compressor motors and external control cables.
- Recommended materials: silicone resin fiberglass sleeving, high-breakdown-voltage sleeving, acrylate sleeving, oil-resistant sleeving and heat-shrink sealing parts.
Transformer & Magnetic Component Case
For electronic transformers, power transformers, inductors, reactors, switching power supplies, inverters and power modules, WCW focuses on lead insulation, heat and oil resistance, flame retardancy and local replacement validation.
- Typical positions: transformer leads, coil ends, power modules, high-voltage high-temperature zones and oil-immersed environments.
- Recommended materials: silicone resin fiberglass sleeving, acrylate fiberglass sleeving, oil-resistant sleeving, PTFE heat shrink tubing and high-breakdown-voltage sleeving.
Common Customer Pain Points
- High-voltage leads and winding ends require stable dielectric strength to avoid breakdown and creepage risk.
- Under long-term thermal aging, materials must balance temperature resistance, service life stability and batch consistency.
- Oil-immersed or insulating-fluid contact scenarios require stronger oil resistance, dimensional stability and insulation retention.
- Customers pay close attention to flame rating, UL documentation, compliance files and validation speed for replacement projects.
Recommended Product Matrix
- Fiberglass insulation sleeving
- Silicone resin fiberglass sleeving, silicone rubber fiberglass sleeving, acrylate fiberglass sleeving and varnished tubing
- Oil-resistant and chemical-resistant tubing
- Oil-resistant sleeving, PTFE tubing, PTFE heat shrink tubing, fluoroelastomer heat shrink and PI tubing
- High dielectric strength and assembly-friendly options
- Expandable tubing, high-tear sleeving, inner-fiber outer-rubber hose and high-voltage heat shrink tubing
- Terminal encapsulation and sealing
- Dual-wall adhesive heat shrink tubing, 4:1 high-shrink-ratio tubing and 175°C / 200°C heat shrink tubing
