Rubber seal products is used to prevent fluid from the leak in the sealing device, also to prevent dust, sediment, and the outside air into sealed device for vacuum inside the rubber products. This company produces the rubber hose, water stop stop, rubber sealing ring, elasticity of shield segment lining rubber seal products, mainly used for construction, underground facilities, tunnels, mines, Bridges, sewage treatment plant, water conservancy, metro, car and other projects.