Established in 1989, Henan Tonglian Plastic Co., Ltd. has 20 years of experience in manufacturing rubber and plastic products, adhering to the tenet of "quality first", and has developed into a professional manufacturer of various types of rubber for waterproof plugs and sealing plugs for motor vehicles Plastic products. The main production materials are EPDM, silicone rubber, natural rubber, nitrile rubber, styrene butadiene rubber and so on.