VONTRON TECHNOLOGY CO., LTD is the biggest manufacturing base for reverse osmosis membrane in China at present. The membrane products and technology of Vontron Technology are widely applicable to various industries, such as food stuff and beverage, medicine and pharmacy, municipal water supply treatment, high-purity water for industrial purpose, boiler water replenishment, seawater desalting, extra-pure water for electronic industry, wastewater treatment and recyling, concentration and purification of materials. Our products are very popular all over the world for their good quality and our good service. We pass the Certification of ISO9001:2000 and the NSF/ANSI 61 Certification. If you have any question or need our price list, pls contact me for free. All of your inquiry will receive our carefully consideration. My name is Kevin Guo My email address is ***** My Msn is *****