Shenyang Xingzhenghe Chemical Co., Ltd. was founded in 2001, with head office in Kaishan village, Jilin. Our company is one of the earliest companies that use black liquor from paper mills to develop and produce products of lignosulfonate series. In early stage, with the help of good and rich forest resources in the northeast of China, our company mainly produced fine chemicals, such as sodium lignosulphonate (DYE), Iron-complexing lignosulphonate, etc. Our company moved to Shenyang in 2006. Since then, our company has been developing and producing sodium lignosulphonate, calcium...