... ,T6. 2.Surface treatment:anodized,powder coating,pvdf,brush,polish,wooden transfer 1.Aluminium alloy/temper:6063,6061,T4,T5,T6 ... .2.Surface treatment:anodized,powder coating,pvdf,brush,polish, ... production lines; (3) 6 anodizing and electrophoresis production lines; (4) 3 spraying production lines; (5) 8 thermal insulation production lines; (6 ...