What is the relationship between black cat coking and Longmen coalification?

Longmen Coal Chemical Co., Ltd. is a holding subsidiary of Shaanxi Black Cat Coking Co., Ltd. Founded in 2003, located in Weinan City, Shaanxi Province, is an enterprise mainly engaged in the manufacture of chemical raw materials and chemical products. Shaanxi Longmen Coal Chemical Co., Ltd. was established in 2009, located in Weinan City, Shaanxi Province, and is a wholesale-oriented enterprise. Longmen coalification is a holding subsidiary of Shaanxi Black Cat Coking Co., Ltd., which is mainly engaged in coking; Sales of coal and products; Brick and tile manufacturing; Brick and tile sales; Fertilizer sales; Manufacturing of basic chemical raw materials; Production of hazardous chemicals; Hazardous chemicals management and other business.