ClO2 has been recognized and confirmed by WHO and EPA(USA) as the safe, efficiency, wide-spectrum and powerful bactericide. It is internationally accepted as the ideal substitute for Gas Chlorine. Nanjing Ligong Shuifu Environmental Protection Technology Co., Ltd. is a professional water-treatment corporation in China, which is known for its advanced technology and famous for his researching and applying in field of Chlorine dioxide (ClO2). We have more than 10 years experiences in designing, researching and manufacturing chlorine dioxide products and applications in water/waste water treatments to meet all kinds of different needs. Now thousands of water works, hospitals, chemical plants, etc. in China have been installed the instrument with efficiency working no need of daily maintenance and easy operation. We look forward to more extensive cooperation and exchanges with the new and old friends all over the world.