We started our business from Sam Shang Foundry at Guro-dong, Seoul in 1967. We manufactured high quality casting products such as automobile parts, construction machinery parts, heavy equipment parts, railroad car parts, etc. and based on this business we founded Sam Chang Foundry Co., Ltd. in 1977. Since establishment, we do not settle for the present and finally produced butterfly valve and gate valve by ceaseless innovation and technological developments. Furthermore, we achieved UL and ULC Listed and FM Approved for butterfly valve in 1987 and gate valve in 1995. Now we specialize in the manufacture of various valves for fire-fighting and distribute our products to global markets. In addition, we established R&D center in 2012 and carried out education and training course for engineers. We constantly striving for sustainable management through the development of new markets with new products. We will keep customer’s demands based on extensive experience, technical strength and excellent human resources which is what we did for a long item and trying to make our company be strong through growing together with customers.