Seismic Isolation Bearing, Hydrophilic Waterstop, Bridge Rubber Bearing manufacturer / supplier in China, offering Extrusion PVC Water Stop in Concrete Joints Flat PVC Waterstop 50mm X 3mm High Pressure Resistance, Corrosion Resistant Suitable for Concrete Joints, PVC Waterstop for Concrete Joints Rubber Waterstop Center Buried PVC Material Waterstop with Center Bulb, Type 651, 654, 662 Rubber Waterstops Buried Rubber Water Stop Belts Are Used at The Joints of Dam Concrete and so on.