Which is a provincial capital, Zhengzhou or Huangzhou District?
Huangzhou District Huangzhou District () is a district of the city of Huanggang, Hubei province, People's Republic of China.
Port of Huanghua The Port of Huanghua, also known as the Port of Cangzhou Huanghua is an artificial deep-water international seaport on the coast of Huanghua, Cangzhou Prefecture, Hebei, People's Republic of China. It is located on the south side of the Bohai Bay, 90 km from Cangzhou city. Huanghua port is one of the largest and fastest growing ports in North China,with a throughput of 171.03 million tons of total cargo in 2013, an increase of 35.42% year on year.