Yooshin Engineering Corporation in a Korea-based company engaged in the engineering and construction market. The Company provides feasibility study, basic and detailed design, supervision and maintenance services, covering roads, railways, airports, bridges, transportation planning, geotech, tunnels, urban planning, leisure recreation, sewage water treatment and purification, landscaping and environments. The Company also engages in the construction management (CM) business. The Company operates its business within domestic market and in overseas markets, such as Philippines, Nepal, Vietnam and Sri Lanka.