On the afternoon of June 21, 2018, the inspection team of the Municipal Safety Supervision Committee, through on-the-spot inspection, on-site inquiry, and access to relevant work table accounts and information, gave inspection guidance to the construction of the "double-control" system for the investigation and management of hidden dangers and the graded management and control of safety risks in 2018, and affirmed the construction of the "double-control" system in our company.