→ Open file in Global Mapper.
→ File → open Data files
→ Choose file KML or KMZ → Open
→ Tool → Configure → Projection
→ Projection → UTM
→ Zone 47 or 48
→ Ok
→ File → Export → Export Vector/Lidar format
→ DWG → OK
→ Export Bounds → Current Project (UTM Meter)
→ OK.