Beijing North Zhi Yu Technology and Trade Co., Ltd. is a newly hi-tech environment protection company specially delivering the development, production, sale and service of water treatment products. The company can process water deeply by using reverse osmosis as its leading technology and some modern water-cleaning technologies just as Nanofiltration and EDI. The Reverse Osmosis products of many types delivered by the company have been widely used in industries of medical treatment, electron, chemical industry, electric power, beverages, vintage and so on. The company has strong technological power and hi-tech human resources of many years experience in technique design, manufacturing, research and development and engineering application. According to user’s demand, the company can provide water treatment equipments and technology solutions designed professionally, manufactured finely and tested repeatedly, and these equipments and technology solutions have been guaranteed that they could work stably.