Shantou Institute of Ultrasonic Instrument
301602
Hubei Sinophorus Electronic Materials
688545
Pansoft
300996
4
Jiayu Holding
300117
5
Wuxi Taclink Optoelectronics Technology
688205
The company is a state-owned listed company approved by the State Council and approved by the China Securities Regulatory Commission, and listed separately by the former Northeast Expressway Co., Ltd. The company was incorporated on March 1, 2010, and listed on the Shanghai Stock Exchange on March 19, 2010. The company's main business is highway toll management. Company Honors: Won the honorary title of “Excellent Enterprise for Service Guarantee Work in the 2023-2024 Ice and Snow Tourism Season”.