About us-Union Polymer Material Co.,Ltd-UPM Heat Shrink Tubing and Braided Sleeve Factory
Union Polymer Material Co., Ltd. (UPM Heat Shrink)
At UPM Heat Shrink, we specialize in the research, development, production, and global supply of heat shrinkable tubing, heat shrink connectors, braided sleeving, and wire harness protection solutions for demanding industrial applications.
With more than 24years of industry experience, UPM is committed to providing reliable coverage protection solutions for wire harnesses, cables, and system components. Our products are designed to achieve multiple functions including:
- Electrical insulation
- Waterproof sealing
- Abrasion resistance
- Impact protection
- Color coding & identification
- Wire bundling & cable management
- Electromagnetic shielding
- High-temperature protection
Our products are widely used in industries such as:
- Automotive & EV
- Electronics
- Telecommunication
- Military & Defense
- Aerospace
- Electric Power Cable
- Rail Transit
- Shipbuilding
- Industrial Equipment
Why Choose UPM Heat Shrink
Comprehensive Product Portfolio
UPM offers a broad range of heat shrink and cable protection materials, including:
- Thin Wall Heat Shrink Tubing
- Medium /Heavy Dual Wall Adhesive Tubing
- Triple Layer Co-extrusion Tubing
- Heat Shrink Solder Sleeves
- Heat Shrink Crimp Connectors & Terminator
- Braided Sleeving
- Fiber Optic Splice Protection Sleeves
- Busbar Insulation Tubing
- Identification & Marker Tubing
- Special High-Performance Polymer Solutions
Available material options include:
- Polyolefin
- PVDF
- PTFE
- Fluoropolymer
- Viton
- Polyurethane
- Silicone Rubber
Sizes range from 0.6mm to 350mm with shrink ratios up to 6:1.
Strong Manufacturing & Quality Capability
UPM operates under strict international quality management systems and has obtained:
- ISO 9001:2015
- IATF 16949:2016
- GJB 9001C-2017
- ISO 14001:2015
- ISO 45001:2018
Our products comply with major international standards and approvals including:
- UL224
- UL486D
- CE
- CCS
- ABS
- DNV
- GJB
Products comply with:
- REACH
- RoHS
- ELV
and have passed TüV Rheinland testing.
Advanced In-House Testing Laboratory
More than 90% of product performance testing can be completed in our in-house laboratory, enabling faster development cycles, stable product quality, and reliable technical validation.
Testing capabilities include:
- Shrink performance
- Dielectric strength
- Flame resistance
- High/low temperature aging
- Waterproof sealing
- Mechanical strength
- Abrasion resistance
- Environmental reliability testing etc
This allows UPM to deliver consistent and dependable products for mission-critical applications.
OEM & Customized Solutions
UPM understands that every project has unique technical requirements.
We support:
- OEM & ODM manufacturing
- Custom sizes length and colors
- Special materials
- Printing & identification solutions
- Application-specific development
- Low to high-volume production
Whether for automotive wire harnesses, EV battery systems, aerospace cable assemblies, or industrial cable protection, UPM provides tailored solutions to meet customer demands.
Our Mission
At UPM, we believe reliable connection and protection materials are essential to modern industry. We continuously invest in technology, quality control, and customer service to help our global partners improve safety, efficiency, and reliability.
We are committed to building long-term partnerships through:
- Stable quality
- Technical support
- Competitive prices and lead times
- Flexible customization
- Professional service
Let’s Shrink the World Together
UPM Heat Shrink is more than a manufacturer — we are your trusted partner in wire harness and cable protection solutions.
Let’s shrink the world together.
Let’s choose Union Polymer.
Request a quotation
Contact our Senior Account Manager Lily@upolymer.com or upmheatshrink@gmail.com to get the best quote. Thanks.