Changsha water purifier water purifier manufacturers can benefit water purification device features low-cost investment function is to filter the water floating, heavy metals, bacteria, viruses and so to get rid of it with higher filtration technology, usually five filters , a sleeping mat, also known as PP cotton filter, granular activated carbon second stage, the third stage is a precision compression activated carbon, reverse osmosis membrane Zi four or ultrafiltration membrane, Zi five for the post carbon. Not only to tap water heavily polluted areas of application, it can be filtered into a conventional chlorine in tap water, and can improve the taste of water. 4 standard Chinese national industry standard water purifier to be enacted soon, including "household and similar electrical appliances Particular requirements for UV radiation water treatment appliances," "the special requirements of household and similar electrical appliances Water Dispenser," and "Home and similar water purifier, ultraviolet disinfection, "" household and similar use reverse osmosis water machine, water purifier nanofiltration pressure pot "four national water purifier home water purifier / water filter industry standard drafting session held in Kunming, Yunnan Province in May 2013, 17-19. These four criteria, the first two are water purifiers national standards, mandatory safety standards; after two industry standards are voluntary product standards. 5 Market Analysis With constantly increasing water pollution, healthy drinking water more and more difficult, so as a drinking water supplies to human health was well favored, resulting in water purifier market is growing more and more hybrid brand . Up to now reports around the water, such as financial media, "New Century Weekly" magazine recently to "tap truth" for the cover story of the national water quality disclosure Status: only 50% of the water passing tap water has been the focus of media attention, With the tap of new standards imposed by the original plan to be postponed until 2015, water is related to people's normal life. Indeed, with the rapid development of modern industry, water pollution is rapidly increasing, the interference of various factors of water during transport coupled with today's drinking water more worrying. Household water purifiers to better address these issues.