... 2.The part through the process of CNC punching,bending,welding and polishing.3.Various type of Surface treatment: powder painting ... consist of deep drawing, cutting, perforating, spinning, press brake forming, roll forming, punching, blanking, embossing, flanging, rolling, coining, stamping, bending, ... not for sale. Hangzhou cnc laser cutting/argon-arc welding/bending high precision hardware argon-arc ...