In the field of electronics and electrical engineering: Produce various electrical components such as contactors, connectors, transformer insulation parts, thyristor caps, insulation sleeves, coil frames, terminal posts, and collector rings, as well as printed circuit boards, shaft sleeves, covers, TV system parts, capacitor films, brush holders, alkaline battery boxes, etc; Automotive and aviation sectors: PSU can be used to make protective cover components, electric gears, battery covers, detonators, electronic ignition device components, lighting components, aircraft internal and external parts, spacecraft external protective covers, etc. Kitchen Supplies Market: It can be used as a substitute for glass and stainless steel products in the manufacturing of steam dishes, coffee containers, microwave cookers, milk and agricultural product containers, egg cookers and milking parts, beverage and food dispensers, and other products. PSU is a non-toxic product that can be made into a utensil that repeatedly comes into contact with food.