When in Huaiyuan Prefecture, Zhang Tie's dad ran a medium-sized airship corporation as his new undertaking. However, after moving to Taixia Country, his airship corporation became disadvantageous completely because its manufacturing skills were greatly lagged behind in Taixia Country. Not only that, the airships that were produced by large-scale airship production bases and factories in Spiritualmaple Prefecture and Chaoyang Prefecture were even much cheaper than that produced by Zhang Ping's corporation due to the effect of scale.
As they could not match their competitors on quality and price, of course, their products had no market in Taixia Country; therefore, Zhang Ping's airship corporation could only wind up.