Henan Zhengyuan Chemical Co. Ltd. is a professional engaged in water treatment pharmaceutical production of professional manufacturers,br high pure white polyaluminium chloride polyferric sulfate,br>brPolyaluminum chloride 22>-30 plate frame filtration% spray drying polyaluminum chloride iron, basic aluminum chloride composite aluminum bisate iron, ferrous sulfate aluminum sulfate, polyaluminum silicate iron polyacrylamide, cationic 10%60 ionic degree% anion 8 million to 20 million molecular weight.br