In the CRRC era in Hunan, Hao Tong received welfare benefits, such as catering subsidies, supplementary medical insurance, housing, regular physical examination, year-end bonus of enterprise annuity, and double holidays. Hunan CRRC Communication Signal Co., Ltd. is the abbreviation of Hunan CRRC Times Communication Signal Co., Ltd., which was established in March 20 16. It is an enterprise specializing in R&D, production, sales and service maintenance of trunk railway (including intercity), urban rail transit, art and tram communication signal systems. It is one of the few high-tech enterprises in China with core technologies and products of trunk railway and urban rail communication signal systems. Hunan CRRC Communication was established by many subsidiaries of CRRC in China, which has strong R&D strength and many patents and scientific and technological achievements. Therefore, it is worth a visit.