Tianjin Shengfujiang Chemical Sales Co., Ltd. was established in 2003, located 4 kilometers south of the exit of Wuqing Development Zone in Tianjin, China, on the Beijing Tianjin Tangshan Expressway. It has a superior geographical location and convenient transportation. Our company is the largest distribution center for the production of lignosulfonate sodium, calcium and other lignosulfonate (lignosulfonate sodium, lignosulfonate calcium, lignosulfonate magnesium) series products, alkaline lignin and modified lignosulfonate series products in North China. The lignin series products produced are exported to countries such as Japan, South Korea, and Southeast Asia, and have a high reputation in the domestic chemical industry.     Our company also produces products such as sodium hypochlorite, concrete preservatives, steel rust inhibitors, and anti-corrosion rust inhibitors. We operate products with competitive advantages in the market such as sodium hypoch...