Donghae, a company specializing in the production of knife gate valves, has been supplying with Soft Seat Knife Gate Valves, an innovative water valve with no leakageno backlog at the bottom of the valve, through R & D based on many years of field fluid experience. It was the first knife gate valve to be certified for a water supply material (group standard certification_SPS-B KWWA205-7418). We are contributing to improving the competitiveness of not only water industry but also the industry as a whole. We, Donghae Co., Ltd. always listen to understand customer’s unique application requirementstry to offer the best solution of valve for the customers’ applications with stable technologyexcellent quality