... request width:as your request supply any color you want alloy :3105, 3003 1.widely used: Lidao color coated aluminum coil ... : all of the substrate are from Southwest China Aluminum Industry Co., Ltd and the coating material is from PPG and BECKER( The ... .pre-treatment: our production line is from Henkei, Germany.4.alloy:A1100, A1060, A3003, A3004, A3005, A3105, A5052 and so on ...