The width can be customized in the range of 500~5000mm and the thickness in the range of 0.025~0.2mm. The production process can be adjusted according to customer requirements, and the flame retardant grade effect can be customized. It meets the domestic and foreign flame retardant grade standards, and can meet the requirements of self-extinguishing from the fire. It has excellent processing performance and is tested by SGS to meet the ROHS standard. It is widely used in the installation of building doors and windows packaging and the waterproof protection of the insulation layer of the steel frame structure pig farm.