The u. S. Water purification unit was founded in shenzhen in 2001 and has a history of 15 years, with nearly 1,000 employees. It is the world's first inventor of a direct drinking water purification device, which mainly produces household water purification equipment and industrial water treatment equipment. Work began in 2010 with five universities to develop and study a water treatment membrane series. From its inception to the present, the water purification unit has acquired a number of patented technologies in various industries, one of the more patented brands in the water purification industry. The u. S. Water cleaning unit, a globally recognized provider of specialized water purification equipment solutions, is the brand name of the shenzhen city environmental equipment company ltd., a private high-tech enterprise that combines research and development, design, production and marketing of water purification equipment, with its headquarters in shenzhen, with its products well...