Contractor selection plan for 110 kV transmission line at 220 kV Dong Mo substation November 5, 2021 | Asia Pacific Tenders Competitive bids are invited contractor selection plan for consulting and non-consulting packages project entailing 110 kV transmission line after 220 kV Dong Mo substation, Lang Son province. This content is available to only paying subscribers. Username or E-mail Password Remember Me Forgot Password