Kester valve group was established in 2003 and registered in Shanghai on March 30, 1993. The group has total assets of RMB 500 million. , there are 16 independent company and a wholly owned subsidiary, Keith valve group co., LTD., valves: the hacker BoAn, fluid co., LTD. (a variety of business and material circulation) see the announcement on the website. Production base Shanghai, huzhou. The annual production value has reached 400 million RMB. The group now has 652 employees, with more than 24% of the total employees.