... equipmrnt 3)fine management High quality metal door and window frameItem name:metal door and window frameMaterial:Steel, stainless steel, ... Welding,Riveting, Grinding,Stamping, Assembling,etc.Surface treatment:Powder coating,Hot galvanized,Painting,Polishing,Brushing,Cataphoresis,Chrome/ ... , trading assessment We can supply all kinds of metal parts according to customers' samples or drawings. OEM ...