PP is a polypropylene (PP) film produced in the plastic industry through the casting extrusion process. Spot price: Domestic CPP film prices have remained stable this week. The price of cooking film in the Chao'an area of Guangdong is 10500-10800 yuan/ton, with Lisheng Packaging quoting 10600 yuan/ton, Chao'an Taihong quoting 10700 yuan/ton, and Hubei Dewei Packaging quoting 10500 yuan/ton. (All of the above do not include taxes) Reference quotation: The mainstream quotation for composite film is 12500-12700 yuan/ton; The mainstream offer for low-temperature composite film is 12800 yuan/ton; The mainstream price for aluminum plated substrate is 13000-13200 yuan/ton.