Mt.H Control Valves Co., Ltd.(Halla Automatic Valve Co., Ltd.) has been established in 1978 as automatic valve specialized manufacturing company and has contributed to localize automatic valves that required on a engine and piping of ship with more than 20 years of accumulated know-hows. It also has been favorably commented upon supplying the valves to the 6 major shipbuilding yards as well as the 3 major engine manufacturing companies and medium size shipbuilding yards. Especially, its active marketing and high product quality strategy make the company contribute to the national economical benefits with developing export markets such as prominent shipbuilding yards and engine manufacturers in Japan, China, and Taiwan.