A few days ago, the group further promoted the maintenance reform. The equipment maintenance and management of all production subsidiaries in the group were all handed over to Tangji Company. Tangji Company signed a total of 23 contracts with Tangsaw, Tangsheng, Lintang, Tangying and other subsidiaries. A maintenance service agreement has been issued, and it will be officially put into operation on December 1, which also marks the further improvement of our company's standardized, institutionalized and professional management.