IRO Chelating Chemical Co., Ltd. (IRO Chelating) is a ISO 9001:2000 certified co***ny manufacturing the entire range of chelating/sequestering agents and water treatment chemicals for over decade. Distinctive foresight gave IRO Chelating the direction to its chelating chemicals manufacture in China. Commencing its operations with the manufacture of EDTA series (Ethylene Diamine Tetra Acetic Acid), IRO Chelating expanded the product range to other chelating agents like DTPA series (Diethylene Triamine Pen...