Recently，China Railway Construction Heavy Industry Co., Ltd. disclosed the first quarter report of 2023，The company's operating income and net profit maintained double-digit growth.。During the reporting period，Operating income 23.6.5 billion yuan，Year-on-year growth of 10.75%；Net profit attributable to shareholders of the listed company 4.1.6 billion yuan，Year-on-year growth of 10.49%；Total R & D investment 2.3.3 billion yuan，R & D investment accounted for 9% of operating income.84%。

According to the amount of new contracts signed in the first quarter disclosed by Railway Construction Heavy Industries on April 10,，Total newly signed 33.6.3 billion yuan，Year-on-year growth of 42.79%，Among them, the tunneling business is growing rapidly.，The value of new contracts signed in the first quarter was 22.9.5 billion yuan，Year-on-year growth of 165.09%。Within the territory、The value of newly signed overseas contracts in the first quarter was 28..900 million yuan、4.7.2 billion yuan，Year-on-year growth of 43.63%、37.85%。

In recent years，As the world's leading large-scale customization enterprise of underground engineering equipment and rail transit equipment,，R & D strength of China Railway Construction Heavy Industry、Market share of main products、Full life cycle service capability、Brand influence is in the leading position in the industry.，It has promoted the tunnel construction equipment represented by the roadheader from relying on imports.、A big reversal from replacing imports to exporting overseas，It has taken a road of high-quality development of state-owned enterprises led by innovation.。