Are there many factories in Huangdao District of Qingdao?

A lot. The factories in Huangdao District of Qingdao are: Danshan Industrial Park, the electronics factory of this industrial park, Airport Industrial Park, Xin 'an large-scale factory, Aucma Industrial Park and many other factories. Qingdao generally refers to Qingdao, which is a prefecture-level city under the jurisdiction of Shandong Province, also known as island city, Jiaoao, sub-provincial city, cities with separate plans, megacities, important coastal central cities and coastal holiday tourist cities determined by the State Council.