Perforated Floor Safety Aluminum Walkway Grating Shanghai ChongYi Industry Co., Ltd. Base Info Model NO.：ASMGTechnique：WeldedSurface Treatment：PolishedSpecification：300~2000*195~2000*30mmOrigin：China Description Pre：3 4 Sch40 ASTM A213 310S Manufacturers Pipe Next：Stainless Steel Grating Kitchen Drainage
