You haven't answered that poster's question.
But I'll have a try. I reckon recruiters are charging colleges 20% of an FT's empoloyment package.
As for Qingdao, it's too popular among western jobseekers. So Chinese employers are in a position to offer mediocre salaries. Another reason to avoid teaching in Qingdao is that it's an expensive city with too many rich South Koreans, and wealthy Chinese incomers from the south of China.
Try the less fashionable provinces amnong western FTs, such as Shanxi, Henan, Hunan, Hubei and Guangxi.