Stainless Steel, Copper, Aluminum manufacturer / supplier in China, offering Stainless Steel Perforated Plate SUS420J1 420 1.4021 for Exterior Walls and Ceilings, Used in The Constuction Industry SUS410 410 1.4006 Stainless Steel Perforated Plate, for Warehouse Shelves SUS403 403 Stainless Steel Perforated Plate and so on.