usage: patent products for textile machine long service life and high rigidity high ... galvanized steel,copper ,brass.6. Equipment: 25-400ton punching machine, CNC machining, milling, turning, lathe cutting, planning machine, heat treatment ... development, assembly line, cold punching line. More than 1600 advanced machines for punching, turing, milling, maching, weld, galvanizing, heat treatment and ...