2012. 10Industrial design specializing company registration
2011. 05Increased capital to ₩ 4,550,000,000
2010. 08Fire fighting facility business registration
2009. 05Registration of new and renewable energy business
2008. 02Registration for overseas construction (construction, landscaping, industrial environment, equipment, dredging, electricity, pollution prevention)
2006. 02Housing construction and Land construction Registration
2006. 02Inauguration the President, Sun, Byoung Jin
2004. 11Increased capital to ₩ 4,400,000,000
2004. 01Electrical construction business registration
2003. 08Water quality prevention facility registration
2003. 05Industrial Equipment Construction Business Registration
2003. 04Landscape Construction Business Registration
2002. 08Company name changed to Haedong Engineering & Construction Co., Ltd.
2002. 07Inaugurated the President, Park, Hyung Sun
1995. 11Registered the Dredge-up construction and equipment rental business
1969. 10Established the Hangchi Development