Wuxi Yangheng Chemical Co.,Ltd.'s old name is Wuxi Sulfuric Acid Factory.It is one of China's leading companies of manufacturer of Sulfamic Acid,  Sulfuric acid, Chlorosulfonic acid and Potassium sulfate. Our company has been manufacturing Sulfamic Acid for more than 20 years. In 1996, the joint venture Wuxi zhengyu chemical Co.,Ltd. was set up by Marubene Corporation,Japan and Wuxi Sulfuric Acid Factory. In 2003, We invested in Yancheng Zhongya Medicine Chemical Co.,Ltd.

Wuxi Yangheng Chemical Co.,Ltd. has production capacity of 10kt/a sulfamic acid,2kt/a ,300kt/a Sulfuric Acid , 20kt/a Chlorosulfonic acid and 40kt/a Potassium sulfate with its byproduct of 48kt/a Hydrochloric acid.The whole production process controlled by DCS system, our products have passed ISO9001:2000 international quality system certificate and exported to America, Europe, Asia .,

Yancheng  Zhongya  Medicine  Chemical  Co., Ltd.  is engaging in the researching and producing in intermediate of medicine, pesticide, dye.  It produces Methanesulfonyl Chloride, Methanesulfonamide, Ethanesulfonyl Chloride,  Propanesulfonyl Chloride,  Butanesulfonyl Chloride,  2,4-Dichloro Aniline, 2,4-Dichloro Phenylhydrazine Hydrochloride,  2,4-Difluoro Aniline,   2,4-difluoro Phenylhydrazine   Hydrochloride,  2,4-difluoro Phenylhydrazine,  3,4-Difluoro Aniline,   3,4-difluoro Phenylhydrazine Hydrochloride,   3,4-difluoro Phenylhydrazine, 3,5-Difluoro Aniline, 3,5-difluoro Phenylhydrazine Hydrochloride, 3,5-difluoro Phenylhydrazine.