Accompanied by the ringing of "clang clang clang", Gree Altairnano New Energy’s vintage buses appear on the streets and alleys of Beijing. As early as ten years ago, Gree Altairnano New Energy’s vintage buses shuttled through the old streets of Beijing. After years of growth and changes, ten years passed like the twinkling of an eye. Now, the ancient capital Beijing has once again chosen Gree Altairnano New Energy’s vintage bus to inject new vitality and charm into the city's transportation network.