... board, stainless steel board, copper board and nickel board.Characteristics: The surface is flat, smooth, beautiful, firm and practical. It has ... : Coil board 1X20cm, flat board 1X2m. Weaving: It is formed by punching and pressing. Uses: Mining, medicine, food selection, indoor noise ... silencers and grain storage ventilation, mechanical protection. Stainless steel perforated metal mesh china supplier