Notice on (No. 1717 PC A.K) Invitation to Bid for the Supply and Installation of 05 Sets of Online Oil Dryer System (Without Monitoring) and 02 Units of Handheld Oil Moisture Measurement Device for Kantuoch Steung substation (GS79), Steung Hav (GS23), Svay Sor (GS45), Rotanakiri (GS44) and Boeung Tumpun Sakor (GS46) for the Transmission Department of Electricity (Package No. 05) (Plan Year 2026) (Priority 1)