... ,brass.6. Equipment: 25-400ton punching machine, CNC machining, milling, turning, lathe cutting, planning machine, heat treatment machine, varnish baking7. ... leading manufacturer and good supplier in China of machining parts and stamping parts. We have own professional ... line, cold punching line. More than 1600 advanced machines for punching, turing, milling, maching, weld, galvanizing, heat treatment ...