China Postal Savings Bank. According to the notice of the epidemic air defense department of Hohhot, as of December 8, 222, the whole area of Jinchuan Development Zone in Hohhot was under normal epidemic control. China Postal Savings Bank opens the door. The full name of Jinchuan Development Zone is Jinchuan Industrial Park in Hohhot Economic and Technological Development Zone, which is the first batch of national development zones in Hohhot.