70 km of concrete road will be completed on Koh Rong city in the next 16 months, electric grid and airport afterwards On July 14, 2020, Royal Group Koh Rong Development Company and Sinohydro Corporation Limited held a signing ceremony for the construction of a 70-kilometer concrete road which is 8 meters wide on Koh Rong Development Area, Koh Rong City, Preah Sihanouk Province, Cambodia. Sinohydro...