Qidong Construction Group Hu Die Middle School. Qidong Hu Die Primary School is a branch of Qidong Construction Group Hu Die Middle School. Qidong is a county-level city managed by Nantong City, Jiangsu Province. It is located on the north side of the Yangtze River estuary, surrounded by water on three sides and shaped like a peninsula. It is a golden waterway, a golden coast, a golden passage and an important gateway to the sea.