Municipal Engineering, Drainage System, Constructions manufacturer / supplier in China, offering Mini Type Repair Clamp Stainless Steel Full Circle Coupling for Natural Gas Pipeline, Plate Elbow Pipe Repair Clamp Stainless Steel Pipe Coupling Pipe Fitting Quick Fitting Clamp for Elbow Pipe, Mini Type Stainless Steel SS304 Full Circle Pipe Repair Clamp with Single Band Repair Clamp and so on.