Processing and sales: all-steel tires, semi-steel tires, inner and outer tires for automobiles, agricultural vehicles, motorcycles, engineering vehicle tires, hoses, conveyor belts; sales: rubber products, steel curtains, bead wires, carbon black, rubber additives; power supply; quality inspection technical services; approved import and export business. (The above are precursors, highly toxic, flammable and explosive hazardous chemicals)