... 1.ALU6061,6063 or others, as your requestment. 2.different surface treatment, eg:anodized 3.Welcome to OEM. led light tube ... , Automatic spark machine, line cutting machine, shearing machine,etc. D. Surface treatment: Anodizing, powder coating, nickel plating, powder painting or from ... of production experience, has passed the ISO9001 quality management system, the factory covers an area of more than two ...