The company is an A-share listed company under China Railway Co., Ltd. It is at the top of the world. The company is a leading enterprise in R&D, manufacturing and service of tunnel drilling equipment in China. It has developed a full range of shield/hard rock (TBM) products with different cross-sections and different adaptability such as soil pressure, mud, hard rock, etc., as well as special equipment products for tunnel mechanization represented by rock drilling rigs, cantilever tunneling machines, and wet concrete sprayer trucks. The company's main business is special construction machinery equipment and related service business, transportation equipment and related service business, covering business segments such as tunnel construction equipment and related services, construction machinery and related services, turnouts, steel structure manufacturing and installation. Corporate honors: 5 works were selected by the State Council's State-owned Assets Administration Commission as the “10th State-owned Enterprise Good News”. The company won “Brand Value Leader”, “Brand Unit with Outstanding Contribution” and “2023 World Brand Road Brand of the Year”. The company won 22 honors and awards in the information technology category, premium steel structure manufacturing enterprise, premium qualification for full-section tunnel boring machines, first-class production qualification for JQS700T bridge erectors, etc.