Tender package No 2: Supply of VTTB (including installation of electrical system configuration) for repairing transformer ventilators of 220kV Ba Don, 220kV Dong Hoi, 220kV Tam Ky substations
Tender package No 2: Supply of VTTB (including installation of electrical system configuration) for repairing transformer ventilators of 220kV Ba Don, 220kV Dong Hoi, 220kV Tam Ky substations