Is there a labor dispatch to North Korea in Jining?

yes. According to Baidu map query, there is a Jinqiao Labor Dispatching Co., Ltd. located in Jining, Shandong Province, which has established extensive cooperative relations with Japan, South Korea, Singapore, North Korea and other countries and regions, and is mainly engaged in the intermediary of overseas laborers. Jining, a city under the jurisdiction of Shandong Province, is located in the southwest of Shandong Province.