Our company engaged in manufacturing and marketing sodium sulfate, cryolite, polyaluminium chloride, polyacrylamide, polyaluminium ferric chloride, polymerization iron sulfate, potassium sulfate and sodium tripolyphosphate,lithopone B311/B301 ,Zinc Oxide,Iron Oxide Our products are mainly exported to North America, Asia and Europe. The annual value of goods could reach hundreds of million US dollars.