Group 1 - The company, Jiexun Feihong, has a wide application of its products in railway projects in Xinjiang and Tibet regions [1] - The company provides various products such as command and dispatch systems, emergency communication systems, tunnel lighting monitoring systems, G network monitoring equipment, and switch machine gap monitoring equipment for railway lines [1] - The high reliability, stability, and safety of the company's products have been fully validated, effectively ensuring the safe operation of railways and accumulating valuable experience in extremely complex environmental projects [1]