Dongguan Haiyuan water treatment Co. Ltd, an integrated professional and technical manufacturer in water treatment system. Take" quality first, service first" as our core value. Haiyuan company located in Dongguan, Guangdong, China, with convenient transportation access and favorable developing environment. Business scope: Potable water treatment plant RO purified drinking water plant RO water treatment system Water purification plant Water softener/ Demineralised Water ...