Dongguan Sanlian Heat Shrinkable Materials Co., Ltd. was established in 1999 and is located in Sanlian Science and Technology Park, Liaobu Town, Dongguan City, adjacent to Dongguan Songshan Lake Science and Technology Industrial Park. It develops, produces and sells radiation cross-linked polyolefin heat shrinkable sleeves and related electronic materials. As a high-tech enterprise, the company's independently developed "SALIPT" brand halogen-free environmentally friendly heat shrink tubing has an invention patent. This series of products has complete specifications and excellent quality. It has many advantages such as insulation, flame retardancy, pressure resistance, anti-corrosion, and ease of use. It is widely used in electronic appliances, automobiles, ships, communications and other industries, such as wire connection and end treatment; insulation protection of solder joints, resistors or capacitors; rust prevention of metal pipes or rods, antenna protection, etc. The company's other flagship product, Teflon casing, is made of polytetrafluoroethylene (PTFE) material and has the characteristics of high temperature resistance, corrosion resistance, high insulation, high strength, etc. It is widely used in electronics, computers, electric heating, aerospace, Military, communications and other important science and technology industries. The company is among the first domestic peers to pass ISO9001:2000 international quality system and Sony Green Partner certification. The company's series of products have passed the U.S. UL and Canadian CSA certifications, and comply with the European Union (RoHS) directive and SONY SS-00259 environmental management material standards.