... ), Comply with GB, ASTM... ISO9000; 2), Exquisite surface; 3), Steady structure; 4), Low cost, high benefit. Brand NameEach MetalItem Name:Steel ... guidanceü Ensure the product quality.ü Timely service and progressTwo kinds of surface treamentü Hot dip galvanize1, Standard: JIS, DIN, ASTM B695 ...