Longkou ChengFeng ZhiYuan  Technology Co., Ltd., a member of China Association of Boiler Water Treatment, is founded   In 2011 and located in Shandong Province. Now we have 220 employees. Our main products now are ChengFeng multi-functional flow control valve for water treatment systems and relative accessaries.

As a leader of advanced technology, we achieve the patents in kinds, such as Independent Intellectual Property Right; Demestic Invention patent; PCT patent; Utility Model Patent as well as International patent. We are buliding directly marketing channels allover the world.