... steel 3.zinc plated,black,etc 4.flat,pan, etc. die casting aluminium 1.Surface Finish: annealing, natural anodization, heat treatment, polishing, ... standards:ISO,GB,DIN,JIS,ANSI4.ISO9001-2008,SGS,ROHS certificate.5.We have a lot of years technical ... commit ourself to smile to each customer1)Details: Product name die casting aluminium Material1.Stainless Steel: SS201, SS303, SS304, SS316, SS416, ...