Legal analysis: the "seven investigations" of the education and rectification work of the political and legal team: the verification of reporting clues; Investigate and deal with cases (clues) involving black and evil; Cross-evaluation of key cases; Check the cases of letters and visits involving law and litigation; Special inspection of legal supervision; Intelligent data survey; Team building inspection.

Legal basis: Notice of Chongqing Economic Commission on "Seven Inspections and One Visit" for industrial enterprises "Seven Inspections and One Visit" is an important way to strengthen the quality of industrial products, which is of great significance to promote enterprises to improve product quality awareness, establish and improve product quality assurance system and continuously improve product quality level. In order to ensure the in-depth development of this work, after research, it is decided to inspect the "seven inspections and one visit" activities of enterprises in the city.