Supplementary materials:
"Carry the motorcycle brigade to the end, the motorcycle friends in the world are one family", and the resounding slogan of Beijing A Corps resounded throughout the motherland. Adhering to the slogan for many years, the word "Beijing First Corps" is no longer a simple club, but more a spirit, more like a banner, leading more motorcycle friends to unite, * * * developing motorcycle travel and inheriting motorcycle riding culture; Share motorcycle riding experience; Create a good motorcycle riding atmosphere; Establish a positive image of motorcycles.