As a construction company that has concentrated on research and construction related to soil since its establishment in 1971, DongAh Geological Engineering Co., Ltd., is doing its best to realize safe and economical construction through package soil-related solutions ranging from soil surveys and tests to design and construction. As a result, the company has accumulated extensive expertise in the development of construction methods and equipment. Such advanced capabilities in technology and construction have been the foundation for our growth as a leading construction company. The company has also grown as a global enterprise, having expanded its overseas market to Singapore, India, and Middle East after penetrating the the Philippine market in 1990. Our valuable clients who have supported our development are truly attributed for our steady growth. All officers and staff of the company shall continue to make all-out efforts to provide our clients with the highest value and grow as a reliable enterprise.