Changjiang Road, Yantai Development Zone. According to Baidu map query, the computer training course under the middle line of Laishan in Yantai is a computer training course called Dongao Education and Training School on Changjiang Road in Yantai Development Zone. Laishan is located in the northeast of Shandong Province and the east of Yantai City, bordering Zhifu District in the north and west and Muping District in the south.