Pre-filter, good feng shui Technology (certified), Shenzhen filter provided by the Shenzhen Municipal Science and Technology Co., Ltd. good feng shui. Shenzhen good feng shui Ltd. (www.jfyl.net.cn) is specialized in the "water purifiers, air purifiers, industrial, commercial water purification equipment," the business, the company adhering to the "honesty, hard service" concept, To provide you with the highest quality products and services. Welcome to inquire! Contact: Lorient right. About Pure Water, 2000 occurred a sensation throughout Shanghai water events. Story happened is this: in 1997, a pair of highly educated couple gave birth to the baby, in order to give their children and create a healthy environment for the growth, so from the beginning of the day gave birth to their son, bought a vat of pure water is used cooking, drinking. Three years later, their son had rickets, and IQ is not developed, three years old Mom and Dad will not be called pre-filter, multi Xunyi unsuccessful. This highly educated couples through the water to get to know the Chinese Academy physiologist Professor Jin Riguang, give them to crack a mystery: everything is pure water to blame. Professor Jin Riguang noted two fatal shortcomings of pure water pure water for commercial office buildings, classrooms and other public places filter, the water is much larger than household water activated carbon filters, commonly used in commercial aircraft has 200 gallons of pure water, 400 gallons, 600 gallons, 800 gallons, 10 gallons 1500 gallons, 3000 gallons of water, such as a model, where the amount of water refers to the day RO membrane pure water aquaculture. Usually commercial water machine configured with up to five, the first stage is PP cotton, granular activated carbon for the second stage, the third stage of compression carbon, fourth stage reverse osmosis membrane (RO membrane), the fifth stage for post T33. In accordance with normal water pressure and water backwash filter, filtering accuracy PP cotton often a micron or 5 microns life of 3-6 months; granular activated carbon generally to measure iodine value, iodine value of the common market for carbon 800-1000, English acronym UDF, life 6-12 months. Activated carbon is compressed excess carbon fines compressed cleaning calcination. Also known as carbide, English abbreviation CTO, life 6-12 months. Technology Co., Ltd. Shenzhen good feng shui Jinfeng Yu Lu brand launched commercial water machine.