Sung Do Valve Co., Ltd. is established on July 1st, 1979 in Korea and has been recognized as a pioneer of Butterfly & Actuator manufacturer domestic abroad with the accumulated experience technology our products..We had developed resilient seat type Vlave by ...

BoSeong Corporation Established in 1986 as a Specialized Company of Manufacturing / Supplying Various Kinds Piping Products Such As Valve, Actuators, Pipe Fitting, Expansion Joint & Flexible Tube, Ship\'s Outfitting, etc, For Shipbuilding, Construction ...