... ceiling suspension bars, shutter door rails. Auto parts, electrical appliances, refrigerator appliances, signs, automotive parts,vending machines ... pre-paint. structural use, roofing, commercial use …etc Electrical appliances, roofing, partitions. Factory buildings, elevator panels…etcSpecial ... about equal distance.3. Company profileHualu Steel Co. Ltd Boxing County Shandong Province was held in 2003 ...