... color:white,black,bright zinc plated,and so on material: stainless steel,iron,and so on. 1,Products DetailesMaterial1.Stainless Steel:SS201, ... C27200CuZn37), C28000(CuZn40) 4.Bronze: C51000, C52100, C54400, etc 5.Iron: 1213, 12L14,1215 6.Aluminum: Al6061, Al6063 etc 7,.Carbon ... monitoring, QC strictly defers to "the regulations" to carry on the examination to the product, leaves the plant the product ...