We,TIANJIN FLOURISH INT'L INC. are looking for buyer.We are comprehensive corporation both excellent in manufacture and international trading.We are leading supplier in china . we can supply all specification of sodium sulphide. As following: Sodium sulphide red flakes 1500PPM Na2S(%) 60.0Min Na2CO3(%) 5.0Max Water Insoluble(%) 0.4max Fe(%) 0.15max Sodium sulphide yellow flakes low iron 150PPM Na2S(%) 60.0Min Na2CO3(%) 2.0 or 3.0Max . Water Insoluble(%) 0.2max Fe(%) 0.015max50PPM/30PPM Na2S(%) 60.0 Na2CO3(%) 2.0Max Water Insoluble(%) 0.2max Fe(%) 0.005max 0.003max 10 or 20PPM Na2S(%) 60.0Min Na2CO3(%) 2.0Max Water Insoluble(%) 0.2max Fe(%) 0.001 or 0.002max If you need, plesse contact us.We should be grateful for your furnishing us details of your requirements.We assure you of our best serrices at all times.