The kanja water purification unit belongs to kanja tap water purification equipment ltd., a high-tech water purification brand company that focuses on the deep cleaning of drinking water for life. Work on the development of water purification techniques for drinking water depths, such as superfilms and repermeable membranes, and the development of water purification products centred on ultrafilm technologies. Concubines create value for the depth of household and unit drinking water purification with high-quality water purification products and quality water purification services. In 2014, companies successfully listed 3211 as listed companies in the domestic water purification industry, and in 2015 were rated high-technology enterprises. The capacity of the department of research and development of the concubine water cleaner is a source of life and market competitiveness in enterprises. There are currently 78 personnel in the sector, including one doctorate, three masters and eigh...