Metal OEM Parts, Aluminum Parts, CNC Machining Parts manufacturer / supplier in China, offering 21.3mm-60.3mm Double Galvanized Cast Malleable Iron Pipe Fittings Key Clamps for Handrail System, Double/Hot Dipped Galvanized/Powder Coating Malleable Iron 247 252z Key Clamps Pipe Fitting Clamp, 246 Heavy Duty Side Palm Removable Key Clamp Handrail Systems Pipe Connectors and so on.