Nihon Koso Co. Ltd. Of Japan Was Founded In November 1965. Their Core Focus Is On The Production Of Control Valves, Instrumentation And Equipment. The Group Acquired Kent Introl In 2005, And Whilst We Retain A Great Deal Of Independence The Acquisition Strengthened Koso’S Global Reach As A Manufacturer Of Valves And Equipment. The Group Structure Also Gives Kent Introl The Buying Power, Influence And Stability Of Being Part Of A Large Global Entity.