Chengdu Changjiang Heat Shrinkage Material Co., Ltd. was established in 2004, its predecessor was Chengdu Changjiang Heat Shrinkage Material Factory founded in 1989, specializing in research, design development, manufacturing and service of heat shrinkage materials, is one of the influential heat shrinkage products production bases in China.

The company is located in Shuangliu District, Chengdu City, Sichuan Province, with an industrial park of 60,000 square meters for production and operation (construction area), which has: heat-shrinkable tape (sleeve) products for steel pipeline anti-corrosion, heat-shrinkable tape (sleeve) products for municipal heating pipeline joints, and heat-shrinkable sleeve products for plastic drainage pipeline connections, respectively. The anti-corrosion series products all meet the requirements of the product testing standards of the China Petroleum Pipeline Science and Technology Research Center, and have achieved excellent social reputation, and have become the partners of the petroleum and petrochemical industry, gas groups, heat pipeline companies, and drainage pipeline companies.

All the products of the company have independent intellectual property rights and have obtained more than eighty utility model and invention patents.

The company's competitive strategy of "no man without me" and "we are better when others have", innovation-based and quality-based, has been assessed as a national high-tech enterprise for more than ten years. With the aim of "developing national high-tech industry", the company makes use of its existing technical strength and social resources to continuously innovate and promote heat shrinkable materials and its technology to all walks of life, contributing to the construction of the country and the progress of society.