Shanxi zhicheng chemical in 2004 by the restructuring of shanxi yuxin dicyandiamide co ltd founded. Shanxi Yuxin dicyandiamide co ltd was founded in 1987, a joint venture with Japan in 1994, after nearly more than ten years, the company in accordance with local unique limestone resources, and gradually form a limestone-based cyanamide series, Guanidine nitrate guanidine salts such as the industrial chain, since 2004 the company restructured and gradually ...