Supply of steel towers for 345 kV transmission line August 6, 2021 | Asia Pacific Tenders Competitive bids are invited for the supply of 1649.45 tons of 345 kV, grade steel pipe towers for the 345 kV Dongducheon CC¬–Yangju transmission line, Section 2. This content is available to only paying subscribers. Username or E-mail Password Remember Me Forgot Password