Shenzhen Wahchangwei Industrial Co., Ltd. was founded
WCW was established in Shenzhen and entered the high-temperature composite insulation sleeving industry.
ABOUT US · WAHCHANGWEI
20+ Years Focused on High-Temperature Composites
Founded in 2002, Shenzhen Wahchangwei Industrial Co., Ltd. is one of the scaled manufacturers in China’s high-temperature composite materials industry, providing insulation protection and fluid transfer solutions for NEV powertrains, automotive harnesses, motors, transformers and industrial equipment.
2002Founded
85+Authorized Patents
100,000sqm Production Area
4,000+Automatic Braiding Machines
5,000sqm R&D Center
60+Export Countries
COMPANY PROFILE
Source manufacturer with full in-house control, from material to finished part
Wahchangwei focuses on high voltage, high temperature, mechanical friction, harness routing and fastening scenarios. Our portfolio covers six product series — fiberglass sleeve, heat shrink tubing, silicone & PTFE tube, PET braided sleeve, corrugated conduit and specialty sleeve — with inner diameters from 0.3 to 100 mm, supporting fixed-length cutting, color customization and domestic substitution.
Products are widely used in smart home, electronics & power, clean energy, rail transit, aerospace, automotive harness, transformers, power modules and industrial equipment, with sales across China and exports to 60+ countries in Europe, the Americas and Southeast Asia.
As a source manufacturer we join customer projects end to end: material selection, sample validation, safety documentation and volume delivery are handled by one R&D and manufacturing system, reducing quality variance and lead-time uncertainty caused by intermediate parties.
- Source manufacturingShenzhen, Ningbo and Heyuan sites working together, with 4,000+ automatic high-speed braiding machines and 10+ high-temperature composite lines.
- Full size rangeInner diameter 0.3~100 mm, with fixed-length cutting, color and structure customization.
- Full certificationsISO 9001 / IATF 16949 / ISO 14001 / ISO 45001; products UL and CQC certified, RoHS and REACH compliant.
- Verifiable qualityMaterial, high/low temperature, aging and dielectric tests in house; test reports and datasheets supplied with shipments.
DEVELOPMENT HISTORY
Company Development History
Obtained UL and CUL certifications
WCW obtained UL (USA) and CUL (Canada) safety certifications, along with 2 copyrights and 3 trademarks.
Shenzhen Wahchangwei Technology was established
Shenzhen Wahchangwei Technology Co., Ltd. was established to strengthen technology and business synergy.
Regional offices were opened
WCW set up Zhejiang and Shunde offices to expand regional service capability.
Ningbo Wahchangwei was established
Ningbo Wahchangwei Electrical Materials Co., Ltd. was established and certified as a National High-Tech Enterprise and Shenzhen High-Tech Enterprise.
New factory premises were purchased
WCW purchased new factory premises to continuously improve production space and manufacturing support.
Management system certifications passed
WCW passed ISO9001 and IATF16949 certifications, further improving the quality management system.
Recognized as an innovative enterprise
WCW was named one of the Top 100 SMEs for Independent Innovation of 2014.
Product certification breakthrough
Acrylic fiberglass sleeving obtained UL UZFT2 and CUL UZFT8 certifications; WCW was again named a Shenzhen Top 100 Independent Innovation SME.
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 attraction from Heyuan National High-Tech Zone, WCW was granted 30,000 sqm of industrial land and began building a modern production and R&D base.
MANUFACTURING FOOTPRINT
Sites and manufacturing network
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 Subdistrict, Longgang District, Shenzhen
Shenzhen Factory II
Shenzhen Factory II
Extends production and delivery capacity in the Shenzhen area, supporting sampling, order handover and multi-site coordinated manufacturing.
Address: No. 48, Baozhu Road, Liulian Community, Pingshan District, Shenzhen
Ningbo Office
Ningbo Office
Serves customers in East China with business liaison, sample communication and regional project support.
Address: No. 37, Lane 777, Qingfeng Road, Cicheng Town, Jiangbei District, Ningbo, Zhejiang
Heyuan Industrial Park
Heyuan Factory
A modern R&D and manufacturing base in Heyuan National High-Tech Zone (30,000 sqm industrial land), supporting capacity expansion and new product introduction.
Address: No. 12, Zhenye Road, Industrial Park, Yuancheng District, Heyuan
PRODUCTS & SOLUTIONS
Six product series covering seven protection needs
- Fiberglass Sleeve
- Heat Shrink Tubing
- Silicone / PTFE Tube
- PET Braided Sleeve
- Corrugated Conduit
- Specialty Sleeve
- Electrical Insulation
- High & Low Temperature
- Fire Retardant
- Fluid Transfer
- Friction Protection
- Impact Protection
- Cable Management
Temperature, voltage ratings and certification scope depend on model and test conditions; datasheets and technical documents are available for selection. See Product System and Applications.
CERTIFICATIONS & TESTING
Management systems + product certifications + testing capability
ISO 9001
Quality Management System
View certificate (PDF)IATF 16949
Automotive Quality Management System
View certificate (PDF)ISO 14001
Environmental Management System
View certificate (PDF)ISO 45001
Occupational Health & Safety System
View certificate (PDF)UL E233803
Fiberglass sleeve safety certification
View certificate (PDF)UL E233804
Silicone tube safety certification
View certificate (PDF)CQC 19134235495
Silicone rubber tube certification
View certificate (PDF)CQC 20134278191
Silicone fiberglass sleeving certification
View certificate (PDF)Testing capabilities: material testing, high/low temperature testing, aging testing and dielectric withstand testing. Test reports and datasheets are supplied with products, supporting customer safety reviews and supplier onboarding.
Need samples, datasheets or certificates?
Free samples · Datasheets · Certification documents · Project selection · Domestic substitution development