Brand:Boyang Hole:Round Diamond Hole size:5mm-20mm Board thickness:0.4mm-1mm Material: Low carbon steel board, stainless steel board, copper board and nickel board.Characteristics: The surface is flat, smooth, beautiful, firm and practical. It has wide usages. Specification: Coil board 1X20cm, flat board 1X2m. Weaving: It is formed by punching and pressing. Uses: Mining, medicine, food selection, ...