CNC Machining, Metal Fabrication, CNC Machining Parts manufacturer / supplier in China, offering Heavy-Duty Stainless Steel Piano Hinge Long Piano Hinges, Different Size Heavy Duty Hinge Hardware 304 Stainless Steel Brass Aluminum Piano Hinge Long Piano Hinge, Hardware Stainless Steel Folding Door Piano Long Piano Hinge Cabinet Door Hinge and so on.