Since established in 2003, IRO has been developing sharply. From the initial water treatment chemicals, IRO business now covers water treatment chemicals, biocides,chelating agents, and food additives. In 2011, the total turnover achieves USD 120 million. With the hope to offer the maximum support and optimum service to international market, Qingdao Iro Taihe International was established in Qingdao, the second largest port of China, in 2008.