Since the foundation of 1994, We have been making an effort to supply various kinds of high-quality product for consumer's satisfaction. As a result of our continuous effort, we could produce POLYETHYLENE COMPOSITION MULTI-WALL PIPE as well as POLYETHYLENE FILLED-WALL that improves strength and water density. We will do our best to make clean environment for our future generation.1994. 08. Foundation of HAN GANG INDUSTRY CO. Ltd. - Factory established in Eumseong-gun, CHUNGCHEONGBUK-DO, SOUTH KOREA.2003. 03. KS Q ISO 9001 certification acquired - KOTRIC center2006. 09. Assigned as a Management-innovative company-the Small and Medium Business Administration in Chung-Buk, South Korea.2008. 08. Incorporated as HAN GANG INDUSTRY CO. Ltd.