As an ISO 9001 certified Chinese leading professional manufacturer of Chromium Salts and Sodium Sulphide with 35 years experience,we want to know if you are interested in our following products in your business. a.. Chrome Oxide Green: Cr2O3 99% min.and Low hexavalent chrome content, packed in bags of 25kg, 1000kg each; b.. Chromic Acid, Flakes: CrO3 99.7% min., Water insolubles 0.02% max.,Sulphates as SO4 0.06% max. packed in steel drums of 25kg, 50kg and 250kg; c.. Sodium Bichromate-Dihydrate: purity 98.0% min., Sulphate 0.30% max., Chloride 0.10% max.. packed in bags of 25kg each; e.. Sodium Sulphide, yellow flakes: Na2S 50-53%, Fe 150ppm\80ppm\50ppm, packed in bags of 25kg each With quality, reasonable prices and on-time delivery, 50% of our products have been exporting to 15+ countries and regions in the world. We are sure that you will be satisfied with our qualified products and efficient service if you use our products.