Municipal Engineering, Drainage System, Constructions manufacturer / supplier in China, offering Customized Stainless Steel SS304 SS316 Semi-Circle Pipe Repair Clamp for Drainage Water Pipeline, Multi-Function Double-Section Stainless Steel Quick Release Pipe Coupling Repair Clamps, Ductile Iron Water Pipe Repair Clamp Sleeves Grooved Fitting Couplings and so on.