Closed. The largest labor market in Chongqing - Nanjimen Labor Market (most migrant workers are concentrated here) is located on Huazi Street, Yuzhong District. Just take the bus and get off at the "Chinese Herbal Medicine Market". At 8:00 on December 22, 2017, Nanjimen Labor Market officially closed. Blocked. Many people in this labor market are "old professionals" looking for jobs in a variety of jobs, including housekeeping, transportation, sorting, waiters, etc.