Metal OEM Parts, Aluminum Parts, CNC Machining Parts manufacturer / supplier in China, offering Iron Casted Connector Galvanized Cast Iron Fast Key Clamp Fittings Structural Flange, 21.3mm 26.9mm 33.7mm 42.4mm 48.3mm 60.3mm Pipe Joints Galvanized Key Clamp Fittings for Handrails, Fence Pipe Fittings Galvanized Steel Key Clamp Fitting for Greenhouse and Playground and so on.