The repair team has found that the equipment has been damaged to varying degrees, and that some have even been soaked in water for too long and cannot be used after arriving at the customer’s site. In addition, the after-sales personnel has checked the affected equipment one by one, cleaned the bed, chip conveyor, water tank, electric cabinet and other parts, cleaned and applied oil to the wire rail, lead screw, bearing and other parts for rust prevention, replaced the damaged parts and sent the devices that cannot be handled on site to professional testing institutions for testing and repair. After repair, the machine tool is gradually restored to use.