Hangzhou Heshun Technology Co.,LTD. researches, develops, produces, and sells polyester film and carbon fiber in China and internationally, together with its subsidiaries. Its product range includes colored photoelectric base films (blue, Chinese red, black, matte, rose red, green, and golden), albuginea and yellow membrane films, transparent and high fog films, and other functional films such as window, flame retardant, solar back sheet, high definition, high gloss, high temperature and low shrinkage, and protective films. These products are used in industrial fields including electronic products, electrical appliances, automobiles, construction, packaging, and decoration. Formerly Hangzhou Heshun Plastic Industry Co., Ltd., the company changed its name to Hangzhou Heshun Technology Co.,LTD. in June 2015; it was founded in 1992 and is headquartered in Hangzhou, China.