The business scope includes: Manufacturing, processing and sales of butyl inner tubes, electronic magnetic strips and rubber and plastic products (PVC flame retardant materials); Sales of automobile tires, cushion belts, engineering tires, bicycle tires, environmentally friendly recycled rubber, other rubber products, rubber powder, rubber and plastic accessories, hardware products, textile accessories, building materials, kitchen equipment and accessories, and stainless steel products; Self support and agency of import and export business of various commodities and technologies, except for the commodities and technologies that are restricted or prohibited by the state.