Yantai Development Zone. Guoao Yunfan Plaza is an important part of the Guoao Tiandi Complex project carried out in Yantai City, Shandong Province, an important strategic deployment of the Guoao Group in Yantai, mainly through the introduction of branded food and beverage, boutique shopping and other diversified business development of the Development Zone, is located in Yantai City, Shandong Province, the Economic and Technological Development Zone.