HEBEI JIHENG GROUP CO.,LTD lies in Hengshui city, Hebei , China.It is the largest manufacturer of the persulphates in the north of China. Our primary products are the Ammonium persulphare, Potassium persulphate, Sodium persulphate. Penny Zhang TEL: ++86-318-2150911 ++86-15130896017 FAX:++86-318-2147805 zhangyongping.love (at)163(.)com zhangyongping(at)jihenggroup(.)com