GREE Altairnano Dolphin Bus showed up in Weihai in Shandong province in recent days, dressed in “sea blue”. Running under the blue sky, the Dolphin Bus appeared to be a dolphin leaping up from the deep blue sea, instantly becoming a flowing scenery in Weihai. The dolphin bus also helps to promote the construction and improvement of urban traffic system, boosting the development of “Waste-free City” and creating a “Boutique City--Happy Weihai”