Yantai city nucleic acid mixed tube positive who informed?

Nucleic acid testing institutions are responsible for sending SMS notifications. Yantai city nucleic acid mixed tube positive, by the nucleic acid testing institutions SMS notification. Yantai, a prefecture-level city under the jurisdiction of Shandong Province, is located in East China, northeast of Shandong Peninsula, with Weihai in the east, Weifang and Qingdao in the west, Yellow Sea in the south and Bohai Sea in the north, facing Liaodong Peninsula and Dalian in Liaoning across the sea, with a coastline of 909 kilometers and 63 islands.