APET, PETG, CPET single-layer and multi-layer co-extrusion sheet production line, compared with the domestic similar equipment, the comprehensive efficiency is more than 30%, this production line can also be used to produce PS, PP, PE and other sheet products. PETG products are new environmentally friendly packaging materials with high gloss, high transparency, excellent barrier and self-adhesive. CPET has high temperature resistance and is commonly used in microwave oven baking trays, etc. PET three-dimensional grating is widely used in cosmetics, drugs, tobacco and alcohol packaging and general commodities and other three-dimensional anti-counterfeiting outer packaging as well as stationery, pendant, advertising, posters, all kinds of cards, hanging cards and other fields. PLA is a degradable resin that can be used in hard packaging of fruits, vegetables, eggs, cooked and baked foods, as well as in packaging of goods such as sandwiches, biscuits and flowers.