GUANGDONG GREENTECH UNITED CO.,LTD. is the professional water purifier designer and manufacturer. We are adhering to the purpose of Professional manufacturing quality, Services create the future. We supply the high-end products according to the market requirement, improve the services quality and industry layout. We have the R&D department and sales team in U.S.A. And main production bases in China mainland. Our water purifiers use the RO membrane and UF membrane technology as the core ...