... Steel Plate, AL-MG Alloy Plate, Copper Plate Expanded sheet for roadwayCharacteristic: It is punched to mesh, including aluminium plate ... , square, round, triangle, scale hole, it is strong and wear-resisting, artistic.Purpose: Widely used in road, railway, civil building, ... diamond opening and square opening in a variety of sheet thickness and opening sizes.the materials also can use stainless ...