Hunan Xiangnan Chemicals Import and Export Co. Ltd and Hunan Centre Machinery Co., Ltd is brother company and was founded in 1981. It is a main importer and exporter for chemicals and machinery in china. In the past years, the company has established stable business relationship with domestic manufacturers, partners, agents and customers in more than 50 countries and regions. At present, our export products amounts to more than 300 varieties with trade volume increasing year after year. Welcome to contact us for more details, Our website: 1>. Soda Ash Light 99. 2% , 2>. Soda Ash Dense 99. 2% , 3>. Sodium Bicarbonate (food grade) , 4>. Ammonium Bicarbonate (food grade) , 5>. Ferric Chloride 98. 7% , 6>. Sodium Hydrosulfite (85% , 88% , 90% ) 7>. Fumaric Acid (Industrial grade and food grade) 8>. Potassium Carbonate (food grade, kinescope grade, fine grade and first grade) 9>. Calcium Chloride (Industrial grade and food grade) 10>Calcium Carbonate. 11>. Red iron oxide 190# , 130# , etc 12>. Carbone Black, N220, N330, N550, N660 and all type 13>. Calcium Oxide 14>. Lithopone, Titanium Dioxide