Legal Analysis: Work-related injuries are definitely work-related injuries. It depends on whether the sanitation workers abide by the safety rules and conform to the company's safety standards, whether the company issues safety equipment and whether it conducts safety training. If everything is in line with the system, then the sanitation company only needs to go through the formalities of industrial injury treatment and make corresponding compensation.

Legal basis: Article 1 19 1 of the Civil Code of People's Republic of China (PRC). If the employees of the employing unit cause damage to others due to the performance of their work tasks, the employing unit shall bear the tort liability. After the employer assumes the tort liability, it may claim compensation from the staff who have intentional or gross negligence. During the period of labor dispatch, if the dispatched personnel cause damage to others due to the execution of work tasks, the employing unit that accepts labor dispatch shall bear tort liability; If the labor dispatch unit is at fault, it shall bear corresponding responsibilities.