Hanki Industrial Co., Ltd. is an environmental company which improves air quality with BIO-CAT, removing smells and volatile organic compounds from industrial areas. The company had developed BIO-CAT for the first time in the world. Since the company invested almost half of its income in R& D, Hanki industrial was known as a competitive company which has received the New Excellent Product (NEP) certificate from the Ministry of Construction and Transportation, and Ministry fo Commerce, as well as having been selected as a procurement Excellent Productm, and getting patents.