Ground investigation services for Honam HSR Buyong substation, South Korea August 8, 2026 | Asia Pacific Tenders, Tenders & Contracts Country: South Korea Organisation: National Railroad Corporation Description: Bids are invited to provide ground investigation services for the Buyong Substation on the Honam High-Speed Railway. Closi... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password