According to Aiqi's investigation, the chemical projects of daming county Mingding Chemical Co., Ltd. include anisole, tetrachlorobenzoquinone and N- ethylcarbazole. Daming county is a county under the jurisdiction of Handan City, Hebei Province, located in the southeast of Hebei Province, at the junction of Hebei, Shandong and Henan provinces. On June 30th, 2020, daming county was selected as the second batch of counties for the protection and utilization of revolutionary cultural relics.