Educational institutions. Qingdao, also known as Island City, Qingdao and Jiaoao, is a prefecture-level city, a sub-provincial city, a city with separate plans and a megacity under the jurisdiction of Shandong Province. The registered information of Yuhuayun Education Technology Co., Ltd. in this city belongs to an educational institution, so this institution is an educational institution. Qingdao is an important coastal central city, coastal holiday tourist city and international port city in China approved by the State Council.