According to the map of Gaode, the distance from Yantai Taihua Food Industry Co., Ltd. to Gongjiadao is 10.4 km, and you can take bus No.28.
Take bus No.28 from Taitaihua Food Industry Co., Ltd., get off at Xingfu South Road after 10 stop, and transfer to bus No.35 at the same stop. After 9 stops, you can reach the destination Miyagi Island.