Metal Joints, Pipe Joint Systems, ABS Coated Pipe manufacturer / supplier in China, offering Skate Wheel Portable Roller 40 Series Flow Track for Lean Pipe Shelf, Roller Skate Wheel Aluminium Alloy Conveyor Roller Track for Sliding Shelf System, Aluminum Track Sliding Placon Galvanize Rail Roller for Lean Pipe Rack System and so on.