cookware with non-stick coating certificate:LFGB and SGS material:the aluminium or carbon steel many moulds for your ... choose 1,name:the cookware sets with non-stick coating2, ... .3,material:aluminiun or carbon steel .4,thickness :aluminium:2mm,the carbon steel :0.5-0.8mm5,certificate ... pls contact me . non stick cookware set with carbon steel material