Where is the license plate 'Lu R' from?

[StGia]

Lu R is the license plate of Heze City, Shandong Province. The license plates of other regions in Shandong Province are as follows: Lu A Jinan, Lu B Qingdao, Lu C Zibo, Lu D Zaozhuang, Lu E Dongying, Lu F Yantai, Lu G Weifang, Lu H Jining, Lu J Tai'an, Lu K Weihai, Lu L Rizhao, Lu M Binzhou, Lu N Dezhou, Lu P Liaocheng, Lu Q Linyi, Lu S Laiwu, Lu U Qingdao, Lu Y Yantai. License plates, commonly known as car plates, refer to the plates hung on the front and rear of a vehicle. They are usually made of aluminum, iron, plastic, or paper, and display the vehicle's registration number, registration region, or other relevant information. License plates serve as a numbering and information registration system for vehicles, allowing identification of the vehicle's region of registration and enabling access to the vehicle's owner and registration details based on the plate.