Gelonghui, Feb. 28 | Heshun Technology (301237.SZ) said on the investor interactive platform that the company is a high-tech enterprise focusing on R&D, production and sales of differentiated, functional bidirectional stretch polyester film (BOPET film). It can produce polyester film products of various specifications, models and different uses according to the differentiated needs of customers. The company's main products include three categories: colored photoelectric base films, transparent films and other functional films. Colored photoelectric base films are the company's main products, which are specifically divided into multiple color systems, and can be used as downstream functional substrates and eventually used in consumer electronics product processes; other functional films are mainly window films, flame retardant films, and solar backpanel films. Window films can be used as insulation, anti-UV, safety and explosion-proof films for window glass in automobiles, high-rise buildings, etc. Flame retardant films can be used in the insulation of electronic and electrical products, battery packaging and flame retardant tape, etc. The film for solar backpanels can be applied to solar backpanels. Transparent film is widely used and can be used in various fields such as electronics, electrical engineering and packaging decoration; optical film substrates produced by the company's 38,000-ton bidirectional stretch polyester film production base construction project can be used in display modules for human-computer interaction interfaces in consumer electronics, automobiles, etc.