Specializing in fiberglass sleeving, heat shrink tubing, braided sleeving, PTFE tubes and other high-performance insulation materials. Serving NEV triple-electric, automotive wire harness, motor, liquid cooling, and medical/infant care industries. Supporting sample requests, spec sheets, certification documents, project selection, and domestic substitution development.
Match the right insulation solution in 30 seconds — filter by temperature, scenario, or material across 14 quick-reference products
Start SelectionFrom fiberglass sleeving and heat shrink tubing to braided sleeving and fastening accessories — reduce multi-supplier communication and procurement switching.
Serving OEMs, Tier 1 suppliers, wire harness factories, motor manufacturers, liquid cooling systems, medical devices, and infant care products.
Domestic substitution, rapid prototyping, trial assembly, test data, supplier audit documentation, and custom development — accelerating projects to stable mass production.
Shenzhen Wahchangwei Industrial Co., Ltd. is one of the scaled manufacturing enterprises in China's high-temperature composite materials industry, continuously providing protection solutions for high-voltage resistance, high/low temperature, mechanical friction, wire routing, and fastening scenarios.
Products are widely used in smart home appliances, electronic power, clean energy, rail transit, aerospace, automotive wire harnesses, transformers, power modules, and industrial equipment. Sales cover all of China and extend to Europe, the Americas, the Middle East, Southeast Asia, and other countries and regions.
Seven protection scenarios covering multi-industry insulation needs
Showcasing production scale, testing capability, and product certifications to build trust in manufacturing and quality systems.
Covering 0.3mm to 100mm; different series provide 1.2kV to 50kV tested values under specified conditions.
Products cover -70°C to 1000°C; 1000°C is only a short-term reference for specific fire-retardant sleeving.
Glow wire, UL1441 VW-1, and UL94 V0 requirements for home appliances, heating equipment, and welding robots.
Silicone triple-layer tubes, silicone tubes, PTFE tubes, and PVC tubes — food-grade, high-temp, PFAS-free.
Patterned tubes, self-wrap tubes, corrugated tubes, and PET braided sleeving for inverters, generators, and robotics.
Anti-impact, anti-extrusion, flexible fit, and installation efficiency for wind power, rail, automotive engines, and marine motors.
Space-saving and lightweight for automotive wire harnesses, speakers, and computer case internal wiring management.
Multi-terminal applications from engineering validation to mass production
Serving automotive wire harnesses, NEV high-voltage harnesses, industrial control panels, medical instruments, rail transit, and aerospace wiring — providing material combinations for abrasion resistance, high-temperature resistance, waterproof sealing, and bundle routing.
Serving OEMs, Tier 1 suppliers, NEV triple-electric, wire harness factories, motor manufacturers, connectors, and electronic modules — supporting wire harness protection from engineering validation to supply chain cost reduction.
Serving drive motors, compressor motors, generators, pump/valve motors, fan motors, and industrial motors — solving high-temperature aging, oil resistance, abrasion, high breakdown voltage, and assembly compression.
Serving electronic transformers, power transformers, inductors, reactors, switching power supplies, inverters, and power modules — focusing on lead insulation, continuous/instantaneous temperature, oil resistance, flame retardancy, and domestic substitution validation.
Quick material matching for real-world conditions
Match samples, spec recommendations, and validation data based on withstand voltage, temperature, flame retardancy, oil resistance, media, color, wall thickness, flexibility, connector structure, and cut length.
Silicone fiberglass, silicone rubber fiberglass, acrylic fiberglass, and yellow wax tubes
Oil-resistant sleeving, PTFE tubes, PTFE heat shrink, fluororubber heat shrink, PI tubes
Expansion tubes, high-tear sleeving, inner-fiber/outer-rubber tubes, high-voltage heat shrink
Dual-wall adhesive heat shrink, 4:1 high-ratio heat shrink, 175°C/200°C heat shrink
Covering fiberglass sleeving, heat shrink, braided sleeving, fluid transfer, and more
Silicone resin, silicone rubber, and acrylic structures — high/low temp resistance, voltage breakdown resistance, with test reports and certification data.
Stable waterproof sealing, full spec range, import substitution support, and stable mass production delivery.
Self-wrap coverage, easy installation, lightweight, convenient maintenance — textile structure enhances flexibility and noise reduction.
Soft material, chemical media resistance, high/low temp corrosion resistance — custom sizes and structures, food-grade available.
Patterned tube structure, up to 600°C, soft and smooth — for continuous high-temperature scenarios.
Abrasion and compression resistant, easy installation, strong bending adaptability, open structure for maintenance.
International authoritative certifications, globally trusted quality
If you have specific working conditions, we can recommend materials by application scenario. 20+ years of industry experience — full-process service from selection to mass production.
