The Diercon company is the world-leading manufacturer for portable water treatment (outdoor and household), 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 Gold Seal Certificate of WQA and the official approval of China National Ministry of Health.Pls visit our website www.diercon.net or www.diercon.com to check more and detailed items.