The Aluminium (Alloy) Plate & Sheet is our professional product, those are of good quality and price and have fine workmanship. Most of those products ... Adopt standard: GB/T3880 GJB1541 GJB2662 ASTMAlloy: 2xxx, 6xxx, 7xxx series;Temper: T351, T451, T651, T851 Thickness(mm): 0.5- ... Adopt standard: GB/T3618 Q/EL432 5) Curtain sheet:Alloy: 1xxx, 3xxxx series & 5005, 5052;Temper: O, H14, H24; Thickness(mm ...