In 2021, as part of the preliminary technical and economic study of the Western Railway, a preliminary survey of more than 4,000 km of the railway route was conducted by signing a contract with Urban Development Consulting Group LLC.
In 2021, Bodi International LLC completed a comprehensive work plan, including 21.3 km of railways, 37 water pipes, and a site of the station, as part of the Tavan Tolgoi-Tsogtsetsiy station connection design work.
In 2020, in accordance with the contract with Bodi International LLC, the revised design of the branch road of the Tavan Tolgoi station of the Tavan Tolgoi-Gashuun Suhait railway line was completed, including a 5.8 km branch road, 4 water pipes, and the design of the superstructure of the road inside the depot. A complete work drawing was carried out.
In 2020, Tavan Tolgoi Railway Co., Ltd. worked as a subcontractor of Dong Myeong Company in the feasibility study of Tavan Tolgoi-Gashuun Suhait railway, drawing technical drawings of 34 km of railway and 14 km of freight balloon track.