We are a manufacture company in Liaoning, China, which is focus on produce dual wall heat shrink sleeve, (which are widely used in wire joints to water proof, seal and fix at wire parting, and designed to protection bundles wires and metal tubes against water and moisture.), automotive wire splices,(which is specially designed for automotive wire/metal splices, wire/wire joints, play function of insulation, water resistant and sealant), bus bar insulation tubing (basic for low voltage, medium voltage and high voltage ), feat shrink tape (adhesive lined, heat shrinkable duct and vacuum tape specially designed for sealing joints on spiral, flexible, or flat-oval ducts used in heating, ventilating, air conditioning and exhaust recovery systems.) and also we have a special product, that is fiber optic splice protector. If you want to learn more about our products, please not hesitate to surf on our website, it is www.upolymer.com . The most important things is that the price we offer is the lowest ,so if possible you no need produce some of products.