Ruiyi Trading Co., Ltd. is a leading metal service supplier of aluminum stair tread sheet, Aluminum tread Brite plate, Aluminum checker plate manufacturers, Diamond sheet manufacturers, Aluminum tread plate manufacturers ， Aluminium Alloy Tread Plate sheet roll With Mill Finish, bright finish, anodized, embossed, and aluminum checker plate sheet is also called diamond alumimum sheet ,aluminum chequered plates or aluminum tread brite plate sheet. The aluminum checker plate can be used in the production of aircraft, automobile, train, building wall, ceilings, roofing, tool box, trailer fenders, aluminum reefer containers and special containers, steps or stairs, etc. hjn5827