대한건설기계매매협회, 부회장, 선출, 대가중장비플랜트, 대표 서문장, 2010년3월24일, Elected vice chairman of the Korea Construction Equipment Trade Association. 20100324, Daeka Equipment and Plant,
대한건설기계매매협회, 부회장, 선출, 대가중장비플랜트, 대표 서문장, 2010년3월24일, Elected vice chairman of the Korea Construction Equipment Trade Association. 20100324, Daeka Equipment and Plant, 대한건설기계매매협회, 부회장, 선출, 대가중장비플랜트, 대표 서문장, 2010년3월24일, Elected vice chairman of the Korea Construction Equipment Trade Association. 20100324, Daeka Equipment and Plant,
2010. 3. 24.
대가중장비플랜트, 대표, 건설교통부장관상, 수상, 2006년12월29일,
대가중장비플랜트, 대표, 건설교통부장관상, 수상, 2006년12월29일, Award of the KOREA Ministry of Construction and Transportation, Daeka Equipment and Plant, 20061229, 대가중장비플랜트, 대표, 건설교통부장관상, 수상, 2006년12월29일, Award of the KOREA Ministry of Construction and Transportation, Daeka Equipment and Plant, 20061229,
2006. 12. 29.