2021年09月24日
Technological innovation——Jiao Yuejin, Chairman of the CPPCC Municipal Committee, and his delegation
On the morning of September 23, 2021, Jiao Yuejin, Chairman of the CPPCC Municipal Committee, together withthedelegation visited Kaifeng Quark New Materials Co., Ltd. for supervision and research. After communication, chairman Jiao understood the company's current operation status an