February 28, Zhengzhou High-tech Industrial Development Zone Management Committee, deputy secretary of the CPC working committee, director of the management committee Guo Chengming and his colleagues visited Zhengzhou Jingwei technology for inspection and guidance, Zhengzhou High-tech Investment Holding Group Co., Ltd. director, general manager Ma Shiguang, Zhengzhou High-tech Industrial Investment Fund Co., Ltd. general manager Song Junli, Zhengzhou High-tech Zone, Wutong Park, director of the operation ce