... round holes perforated metal sheet for interior design1.Company quick facts ... of 0.4mm-3mm.Wide material in 1500mm,roll to roll, roll-to-sheet punching.Production reached 20000 meters.3.Sheet Metal Workshop The new CNC shearing ... of high-quality automatic spraying production line,high quality electrostatic powder coating of aluminum, galvanized sheet,cold rolled sheet, stainless steel plate and sheet ...