Jiaozuo Mengxin Special Steel Co., Ltd, located in Mengzhou city Henan province, is one of the leading manufacturers and suppliers of water treatment chemicals in China. The main products: ATMP, HEDP, powder HEDP, DTPMP, PBTCA, HPMA, BHMTPMPA etc, covering wide ranges from single to complex agents, are widely used in the fields of industrial water treatment, oil field as well as textiles. 　　Jiaozuo Mengxin Special Steel Co., Ltd has a subsidiary-plant that specifying producing the main raw material: phosphorus trichloride. Quality Management System of Jiaozuo Mengxin Special Steel Co., Ltd is in conformity with and certified by ISO9001:2000. To satisfy the need of different fields, some solid products such as organophosphoric acids and their sodium salts are developed recen..