Quality 1st, Honesty as base, Sincere company and mutual profit is our idea, in an effort to create consistently and pursue the excellence for SODIUM HYDROSULPHIDE 32%-42%, Na2s 1849 , Polyacrylamide Water Treatment , Sodium Hydrogen Sulfide ,Sodium Sulfide Anhydrous . We have extensive goods supply and the price is our advantage. Welcome to inquire about our products. The product will supply to all over the world, such as Europe, America, Australia,Kuala Lumpur , Victoria ,Ukraine , Danish .The company has numbers of foreign trade platforms, which are Alibaba,Globalsources,Global Market,Made-in-china. XinGuangYang HID brand products sell very well in Europe, America, Middle East and other regions more than 30 countries.