Our tubular rubber sleeve is a versatile and reliable solution for sealing wire and cable connections in various industries. Made of high-quality silicone rubber material, this sleeve offers excellent weather resistance, as well as resistance to acid and alkali.
Here are the key features and benefits of our tubular rubber sleeve:
- Easy Installation: The sleeve comes pre-expanded and assembled onto a removable core, allowing for quick and hassle-free installation.
- Waterproof Seal: Once positioned over a cable connector or terminal lug, the rubber tube shrinks onto the connector, forming a secure and waterproof seal.
- Durable Material: The silicone rubber material used in the sleeve ensures long-lasting performance, even in harsh environmental conditions.
- Wide Application: Our tubular rubber sleeve is ideal for use in telecommunication and power fields, as well as various other types of connections.



Technical Data

Welcome to Runlin - Leading Manufacturer of Silicone Cold Shrink Tubes
Runlin, a subsidiary of Qingdao Runlin International Trading Co., Ltd., is a trusted manufacturer and supplier of high-quality silicone cold shrink tubes and related products. With our dedication to excellence and commitment to customer satisfaction, we have become a leading player in the industry.
Our Expertise and Certification
Since our establishment in 2010, we have consistently delivered superior products. Our ISO9001:2008 certification is a testament to our adherence to stringent quality standards. We take pride in our technical director who has designed the state-of-the-art machines for producing the main parts of our cold shrink tubes. Our plastic strip extruder has even obtained a utility model patent, cementing our position as an industry leader.
Wide Range of Products
At Runlin, we specialize in cold shrink products that cater to various industries. Our main product offerings include:
- Cold Shrink Tube for Telecommunication
- Cold Shrink Cable Accessories
- Self-Adhesive Silicone Tape
These products have gained popularity not only in our domestic market but also in Europe, South Asia, and other regions.
Commitment to Quality and Service
We are dedicated to manufacturing high-quality products that meet the needs of our partners and customers. With our reliable service and support, we aim to help you expand your business and achieve success.






