Since the B-level maintenance work of No. 2 unit in Banji Power Plant began, according to the requirements of the equipment management department of the owner's unit, the Banji Project Company, while doing a good job in the operation and maintenance of unit # 1, has actively adjusted the professional and technical level of the project company to be excellent. Technical backbone personnel with excellent political accomplishment, strong safety consciousness and good service consciousness, working with professional technical personnel of equipment management department of the owner's unit, go to the site of B-level operation every day. The whole process supervision and inspection of the critical control point of equipment maintenance quality ensures the maintenance quality of the unit effectively, creates the prerequisite for the smooth start of the equipment after repair, and obtains the unanimous praise from the leaders of the owners' units and the relevant management departments.