We are endseller tungsten powder.We are working directly with producer, Powder purity is 99, 999%.Size may be different 1-2 micrones, 2-3, 5 micrones, 3, 5-6 micrones, We can delivery FOB, CIF or SPOT by SPOT terms.IF you have serious buyer, We will send you sellers mandate authorisation.Delivery time 15 days FOB.Max quantity 20 MT per month