Why didn't Zhangqiu Xianggong develop?

The present situation that the proportion of heavy industry is too large. Xianggongzhuang street, known as the "hometown of machining", has a large proportion of heavy industry. With the downward pressure on the economy increasing year by year in recent years, the casting and forging of Xianggongzhuang Street and the tower crane fan industry are deeply affected, which indirectly leads to the slow economic development of Zhangqiu Xianggong.