How does Shandong Liaocheng Junan Company downgrade its driver's license?

Submit an application for cancellation. Shandong junan information technology service co., ltd., 20 18, mainly engaged in motor vehicle driver's license business consulting, acting as an agent for the downgrade and upgrade of large and heavy vans. Shandong Liaocheng Junan Company avoided relegation by submitting cancellation application. Shandong junan information technology service co., ltd. is a national company, and its business license has already included the downgrade business.