Gelonghui, September 9, 丨 Jusailong (301131.SZ) said on the investor interactive platform that the company has obtained an invention patent for “a flame retardant polypropylene composite material for new energy vehicle battery cover and its preparation method”. The patent mainly targets the application scenario requirements of electric vehicle battery pack covers and has developed an environmentally friendly flame retardant polyolefin composite material. The material has the characteristics of high toughness, flame retardancy, high and low temperature resistance, weather resistance, insulation, easy extrusion, and blister molding. The company's materials are mainly used in some plastic parts of battery packs, and do not involve the core technology of the battery itself and its related components. Up to now, the company has no application orders related to solid state batteries.