How "a person makes an effort toward building of a natural environment and maintenance in the purpose which can live in relief and safety" of our modern society?"How is the flexible system that a prediction can correspond to impossible hazardous environment built, and hazardous environment be controlled?" but it's desired. We and others, how DAISHIN TECHNOS Corp. "produces the safe society in the purpose which defends the life of the person against hazardous environment", it's put in the basis.The study by which freight environment control equipment of shipping and fire fighting equipment are special hazardous gas measurement facility and the firm which is developing it and is doing sale and maintenance.