Why did Changzhou Zhongke Tian Rui Information Company close down?

Not closed down. Changzhou Zhongke Tian Rui Information Co., Ltd. was cancelled, and it was not cancelled as of June 22, 2022, so it did not close down. Changzhou, a prefecture-level city under the jurisdiction of Jiangsu Province, is the central city of the Yangtze River Delta, located in East China, the south of Jiangsu Province and the hinterland of the Yangtze River Delta Plain.