The health and safety management system certification of Safety Supervision Bureau is an occupational health and safety management system certification system based on OHSAS 18000 series standards. According to Baidu map, it can be authorized in Yantai Safety Supervision Bureau. State administration of work safety, referred to as Safety Supervision Bureau for short, is a national bureau managed by the former State Economic and Trade Commission of People's Republic of China (PRC) and China, which comprehensively manages the national work safety and performs the functions of national work safety supervision and management and coal mine safety supervision.