... steel plate, copper plate, nickel plate. Characteristics: network planing, smooth, beautiful, sturdy and durable, has a ... interior noise, silencers, grain depot ventilation, mechanical protectionPunching network can be divided into tailoring, welding, painting, sandblasting, ... vol circle forming, anodizing, coloring and so on. Network also known as punching punching plate, perforated plate, perforated ...