During the week, 5 companies including Lixun Precision, Shenghong Technology, Maiwei Co., Ltd., Stone Technology, and Sanhua Intelligent Control were surveyed by more than 200 institutional investors; 15 companies including Xinyuan Micro, Crystal Optoelectronics, Eurolink, and Jingsheng Electromechanical were surveyed by more than 100 institutions. 10 companies including Wen's Co., Ltd., Dangsheng Technology, British Healthcare, China Aviation Optoelectronics, and Jingke Energy were surveyed by more than 80 institutions.

During the week, 5 companies including Lixun Precision, Shenghong Technology, Maiwei Co., Ltd., Stone Technology, and Sanhua Intelligent Control were surveyed by more than 200 institutional investors; 15 companies including Xinyuan Micro, Crystal Optoelectronics, Eurolink, and Jingsheng Electromechanical were surveyed by more than 100 institutions. 10 companies including Wen's Co., Ltd., Dangsheng Technology, British Healthcare, China Aviation Optoelectronics, and Jingke Energy were surveyed by more than 80 institutions.