100 yuan. Official website, Yantai Gas Command inquired, rectified within a time limit, and fined 100 yuan. Yantai, also known as Gangcheng, Dengzhou, Donglai and Zhifu, is a prefecture-level city under the jurisdiction of Shandong Province. Located in the east of China, the northeast of Shandong Peninsula, with Weihai in the east, Weifang in the west and Qingdao in the southwest.