Khwang Khlong Kum, Khet Buengkum, Bangkok 10240
GNSS SURVEYS TOPOGRAPHICSURVEYS AS-BUILT SURVEYS CADASTRAL SURVEYS INVENTORY SURVEYS CONSTRUCTION SURVEYS UAV(DRONE) PHOTOGRAMMETRY FOR MAPPING AND 3D MODELING SOIL INVESTIGATION SURVEYS ENERGY Oil & Gas Industry , Coal , Solar farm TELECOMMUNICATION TRANSPORTATION RESORT AND