Hebei Jiheng Group is the biggest manufacture in China for the Ammonium persulfate, Sodium persulfate and Potassium persulfate . Now the annual production capacity of Ammonium persulfate is 16,000 mt , Sodium persulfate 8000mt , Potassium persulfate 3000 mt and have been exported to European union , Southeast Asia, South of America and over 40 countries and areas and get good reputations . Hope to set nice business relations and friendships with the friend all over the world . If any questions, please freely contact to us! Best Regards Jenny Liu Tel: 0086 15028760227 Email: mysendlc@163.com