Main business fields: 1.1 Sodium sulphide 1) Red flakes-purity: 60%, iron: 1500ppm 2) Yellow flakes-purity: 60%, iron: 30ppm, 50ppm, 80ppm, 150ppm 3) purity: 52%,58%, iron: 20ppm, 50ppm, 150ppm 1.2 Sulfur black We supply all kinds of sulfur black: Liquid Sulfur Black ,Solubilised Sulfur Black,Strength 100-240% B and Br type Sulfur Black. 2. Phosphate. Manufacturing many kinds of phosphate, including DAP, MAP, STPP, TSP，MSP, DSP, SHMP, MKP, DKP, etc. 3. Glass and ceramics raw materials Soda ash (light & heavy),Sodium nitrate, Sodium nitrite, Postassium carbonate, borax, cupric oxide, selenium powder, zinc oxide, cobalt oxide, etc 4.1 hydrofluoric acid and fluoride(ammonium bifluoride ，ammonium fluoride, s..