... machining, drilling, turning, milling, stamping, stretching, welding, forging, cutting, riveting, grinding, tapping, extrusion, mould design and processing, die casting ... , milling machine, drilling machine, EDM, wire-cutting machine, Sawing Machine, Laser cutting machine, CNC bending machine, Tapping Machine, Chamfering ... OEM/ ODM natural anodized aluminum 6061/ 6063 round rings/ tubes in Foshan