... G I ,SS Technical:perforated Hole plug metal :1. Hole Plug Metal Mesh Material: Low carbon steel board, ... , copper board and nickel board.2. Hole Plug Metal Mesh Characteristics: The surface is flat, smooth, beautiful ... storage ventilation, mechanical protection5. Hole patterns of Hole Plug Metal Mesh: Round, Rectangular hole, square, Triangle, Diamond, ... To your request! anping hole plug metal factory