... into turning and machining parts industry. There are automatic lathes, CNC lathes, drilling machines, milling machines in our factory. OEM ... passivation, galvanizing, satin, etc.Processing MethodTurning, Stamping, Die/pressure casting, CNC processsing, Punching, Riveting, Bending, Cutting, Welding, Threading, Grinding, Milling, ... us. Your inquiry will be highly appreciated. Concrete Copper Insert