Where can I get a driver's license for the pier tower in Yixian County?

Municipal Construction Committee or Technical Supervision Bureau. According to China's trip to official website. Com, the tower crane signal work permit shall be handled by the Municipal Construction Committee or the Technical Supervision Bureau. The certificate of tower crane is very important in engineering construction. The person who has the certificate of tower crane is generally called the tower crane driver, who is responsible for securely tying the goods to the hook on the ground and directing them with gestures, and the personnel in the driving operation room operate according to the command.