Tender For supply of magnetic adapter disc for sic foil , magnetic disk -grinding- surface , magnetic disk -polishing cloth-1 , magnetic disk - polishing cloth-2 , magnetic disk-polishing cloth-3 , diamond suspension 9 micro m for magnetic disk -grinding- surface , diamond suspension 3 micro m magnetic disk - polishing cloth-1 , diamond suspension 1 micro m for magnetic disk -polishing cloth-2 , colloidal silica suspension 0.04 micro m for use on magnetic disk -polishing cloth-3