Natural rubber is mainly used to produce tires, including passenger car, truck and bus tires, low-speed tires such as truck tires, agricultural and forestry tires, and special tires such as aviation and engineering. In addition to tires, natural rubber can also be used to make latex products such as pillows, mattresses, and sanitary products; pipe belts such as conveyor belts, conveyor belts, sealing belts, pressure-resistant pipes, and oil-resistant pipes; cushioning products such as bridge supports; and automotive seals. Rings, sealing sleeves and other spare parts.