... , ISO14001, CE, SGS Powder coated aluminium profiles features:1. Surface treatment: mill finish, anodized, powder coated, electrophoresis, wood finish, heat ... bag.Dongwei Group engages in manufacturing and distributing of aluminium profiles, doors, windows,curtain walls and etc. ... llines,Our production capacity exceeds 40,000MT. Dongwei aluminium prodcuts have won 'Certificate of Conformity of Product ...