Wugang City Haiming Science & Technology co., Ltd, as a national largest production base of sodium lignosulphonate, located in NO.1 anzhai road wugang city henan province. The company mainly produces the lignin series products, the year-round producing and marketing capacity up to 100,000 tons .Our sodium lignosulphonate series products widely serve as concrete admixturers, water-coal paste additives, water reducer, refractory additives, pesticides dispersant etc. Upon the examination of National center for quality supervision and the test of cement concrete product, our products have achieved first-class standard for GB8076-1997 concrete chemical admixtures.