10. According to Baidu map, Qingdao has 10 outlets, the largest of which is Ole, the first in the high-tech zone, followed by the West Coast Maritime Carnival. Qingdao, a prefecture-level city in Shandong Province, a city with separate plans, is a sub-provincial city, referred to as Qingdao, formerly known as Jiaoao, also known as Qingdao and Island City. Qingdao is an important coastal central city and an open coastal city.