The Diercon company is the world-leading manufacturer for portable water treatment with a market share exceeding 70 percent in China. As the expert of portable water filtration system, we are specialized in the R&D, manufacture and sale of high-quality products. And Diercon is the first company who has obtained both the Certificate of Water Quality Association Gold Seal and the official approval of China National Ministry of Health. You can browse our website www.diercon.net to find more detailed information. If you have any question, pls feel free to contact with me. My email is amy@diercon.net.