Products such as PG-383M and PG-33 from Zhenjiang Chimei, GP-525 from Ningbo Liwan, and 635 from Fujian Tianyuan are available. GPPS has high transparency, excellent insulation, and is easy to process. In the food packaging field, its high transparency can clearly display the contents of food, meeting consumers' need for visual inspection of food. It is often used to make lunch boxes, food packaging trays, etc. Its insulation makes it an ideal material for the inner lining of electronic product packaging, protecting electronic products from electrostatic effects. Its easy processability facilitates the production of packaging products in various shapes, and it is widely used in daily necessities packaging, such as stationery and cosmetic packaging, as well as home decoration ornaments and lamp shades.