Hangzhou Heshun Technology Co., Ltd. (stock code: 301237), established in June 2003, is a high-tech enterprise focusing on the research and development, production and sales of differentiated and functional bidirectional stretched polyester films. Currently, the main production plants are located in Yuhang Economic Development Zone, Hangzhou and Deqing Linhang Industrial Park, Huzhou (whomally owned subsidiary Zhejiang Heshun New Materials Co., Ltd.). The company currently has six polyester film production lines with an annual production capacity of 115,000 tons. The main products are three categories: non-colored photoelectric base films, transparent films and other functional films. They are one of the few companies in China that can provide multi-color colored photoelectric base film products. The company has formed a core technology system such as bidirectional stretched chrome film manufacturing technology, chrome film formula technology and flame retardant polyester film manufacturing technology, and has obtained more than 62 patents, including 27 invention patents, breaking the Japanese and Korean chrome in Japan and South Korea. The monopoly in the membrane field provides key technical support for the healthy development of my country's electronic industry.

Over the years, the company has received numerous praises and has been awarded the honorary titles of high-tech enterprise, the Ministry of Industry and Information Technology's specialized and new small giant enterprise, Zhejiang Province's innovative small and medium-sized enterprise, Zhejiang Province's AAA-level "contract-abiding and credit-oriented" enterprise, and has passed the The US UL certification quality system ISO9001, environmental system 1SO14001 and other systems have been certified, and has successfully applied for more than 62 national patent certificates, including 27 invention patents, and won the China Patent Excellence Award.

The company has strong technical strength, excellent production equipment and sound management system. It currently has six professional fully automatic BOPET production lines, which can produce according to different needs of the market and customers through equipment assembly, process design, formula optimization, and parameter adjustment. Differentiated functional polyester film products of different specifications, models and uses.

The company has a provincial R&D center and a postdoctoral workstation. It takes the differentiated functionality of polyester film (BOPET) as its main research and development direction, and is committed to the functional modification of polyester films, especially high-end optical polyester films and high-end functional poly The direction of ester films has contributed to solving the problems of key materials and "bottleneck" materials involving functional polyester film products in various industrial chains in China.