Quality initially, Honesty as base, Sincere company and mutual profit is our idea, in order to create repeatedly and pursue the excellence for mining, Sodium Hydrogen Sulphide Formula , Na2s 1849 , Sodium Sulphide Solution Preparation ,HS CODE 20301090 . Through more than 8 years of business, we have accumulated rich experience and advanced technologies in the production of our products. The product will supply to all over the world, such as Europe, America, Australia,South Africa , Russia ,America , Muscat .Our factory insists on the principle of Quality First, Sustainable Development, and takes Honest Business, Mutual Benefits as our developable goal. All members sincerely thanks for all old and new customers' support. We will keep working hard and offering you the highest-quality products and service.Thanks.