Dongwoo Surface tech India Pvt. Ltd is a 100% subsidiary of M/s Dongwoo Surface tech Korea, Which is the number one company in Commercial Heat Treatment & Industrial Furnace Manufacturing in Korea. In India the entire Heat treatment Shop for M/s Hyundai Motor India and M/s Daewoo Motor etc is set up by Dongwoo Presently Dongwoo Surface Tech India has built a state of the art Commercial Heat Treatment Shop and Industrial Furnace manufacturing Facility Under one roof at Mappedu Village, Thiruvallur Dist., about 15 KM from Hyundai Motor India plant in order to cater Domestic and International market. Our Commercial Heat treatment facility which is primarily aimed for Heat Treatment of Automobile part (Gears) for M/s Hyundai Motor India Ltd. is having an installed capacity of heat treating 600000 Lakhs Gear boxes per year. ( about 30 Tones of steel per day). The specialty in this process is that all the gears are Quenched in molten salt bath after carburizing, this helps to keep the distortion at minimal level Our Industrial Furnace manufacturing facility is capable of making all kind of Heat treatment equipment in order to cater Indian & International Market. Our major strength is Roller Hearth type semi continuous and Batch type Gas carburizing Furnace which has got lot of advantages over conventional pusher type furnaces. Our next specialty is Gas carburizing and molten salt bath quenching, which is the most suitable Furnace for Automobile transmission Gears which requires minimum distortion.