Hokuriku Electric Industry Co., Ltd. regards issue about "environment" as one of the important tasks of corporate activity, and we are striving for practice of eco management. As a technique for that is built and employed, we built and operating the "environmental management system" which manages all the active conduct of business ranging from product development to manufacture and sale. In this system, we turn around PDCA cycle as entire corporate, place of business and section, and conduct continuous improvement.