Senko Co., Ltd had developed sensors of the carbon monoxide, hydrogen sulfide by our own technology, starting the oxygen sensor, We had also developed to produce the gas safety equipment and its system such as the portable gas detector in the industrial field. We will do our every possible efforts to be together wherever with our customer and surely stand based on the venture enterprise spirit in the industrial safety gas equipment area which the domestic enterprise never concerned, We are trying to develop the more efficient, convenient products for the customers, using the new technology as well as the conventional gas safety equipment.