... , stainless steel parts, aluminium parts, etc.with ISO9001 cert welding partsHangzhou Jiaheng Metal Products Co.,Ltd. is the professional manufacturer ... , stainles steel parts, aluminum parts, stamping, punching, tube bending, welding, powder coating, painting, etc.We have CNC punches, CNC bending ... and process custome metal parts. Welcome to visit our factory.welding parts,welding processing part,metal ...