(1)Original parts supplier (2) Professional technical support and resolution team. (3) Competitive price. (4) ... Steel, Stainless Steel, Cast Iron, Aluminum, Brass, Copper, Nylon, ABS.(2)Process: CNC Machining, milling, boring, lathing, drilling, tapping, cutting, hobbling ... . Make the files or improve the design if you needed. 2.Negotiationthe quality, price, material, delivery time, payment item, ect. ...