August 30，China Railway Construction Heavy Industry Co., Ltd. disclosed its semi-annual report for 2023.。The report shows，First half of 2023，The company achieved operating income of 55..6.4 billion yuan，Up 3% over the same period last year.77%；Net profit attributable to shareholders of the listed company 10.2.5 billion yuan，Up 1% over the same period last year.07%；New contract signed overseas/The amount of winning bids increased by 34% year-on-year.65%。

First half of 2023，The construction machinery industry is in a downward adjustment period.，Combined with the slowdown of macroeconomic growth，Adverse factors such as insufficient effective operating rate of the project，China Railway Construction Heavy Industry Co., Ltd. focuses on its main responsibilities，Deepen reform and innovation，Lead the industry trend，Achieve counter-trend growth。

 The emergence of scientific and technological innovations 

First half of 2023，China Railway Construction Heavy Industry adheres to market demand orientation，Continue to increase scientific and technological innovation，Carry out key core technology research，Promoting the transformation of scientific and technological achievements，Scientific and technological innovation strength has been significantly enhanced，Scientific and technological innovation achievements are constantly emerging.，Further consolidate the leading position in the industry，Promote the sustained, stable and high-quality development of enterprises。

During the reporting period，China Railway Construction Heavy Industry Co., Ltd. is the world's first large-slope variable-diameter inclined shaftTBM“Tianyue”、The world's first large-diameter double-shield earth pressure combined roadheader、Large-diameter slurry balance shield machine“The Sakashima”、 The world's first“Plateau Space Station”（Plateau prefabricated intelligent building）The first set of major technical equipment，Lead the technological upgrading of underground engineering equipment industry。Full face tunnel boring machine、Computerized three-arm rock drilling jumbo won the single champion product of national manufacturing industry。“Intelligent complete equipment for tunnel construction by drilling and blasting method”“Intelligent complete set of equipment for rapid excavation and anchoring of large section roadway”“Super large diameter shield machine”Three scientific and technological innovation achievements were selected into the product manual of scientific and technological innovation achievements of central enterprises of SASAC.。

The world's first inclined shaft with large gradient and variable diameterTBM“Tianyue”

The world's first large-diameter double-shield earth pressure combined roadheader

The world's first 10 meters super-large mining height working face gateway 40 square meters super-large section driving and anchoring machine

The announcement shows，China Railway Construction Heavy Industry Co., Ltd. continues to strengthen cutting-edge technology、Basic research、Tackling key problems of applied technology，Break through a series of key core technologies of underground engineering equipment，Drive the product“Reform the old and innovate the new”。The company has made a breakthrough in high-performance materials for main bearings、Highly reliable design、High precision manufacturing、Key core technologies in the whole life cycle such as high confidence test，Reproduced main bearing in soft soil.、Hard rock、Working condition simulation test under soft and hard uneven geology，The system verifies the long-life service capability of the self-developed main bearing to adapt to complex and harsh working conditions.，The self-developed main bearing of multi-specification roadheader has been verified by working condition simulation test.，It has entered the stage of batch engineering application.。

Independently developed by China Railway Construction Heavy Industry Co., Ltd. Diameter 7.6 m main bearing

      The data shows，During the reporting period, China Railway Construction Heavy Industry added 306 authorized patents.，The total number of authorized patents is 2400.，Won 5 patent awards，“Tunnel dredging robot”Silver Medal, Geneva International Exhibition of Inventions，Won the Patent Competition of High Promotion Value in Engineering Construction Industry（China Construction Enterprise Association Patent Award）One special prize、Three third-class prizes。The company's R & D investment accounted for 7.97%，R & D personnel accounted for 33% of the total number.08%，The proportion of R & D personnel and R & D investment are in the forefront of the industry.。

    Outstanding performance in overseas markets   

China Railway Construction Heavy Industry Co., Ltd.“Overseas priority”Strategy，The overseas market has achieved fruitful results.，It provides new momentum for the development of the company's industry.。

During the reporting period，China Railway Construction Heavy Industry Co., Ltd. further optimizes overseas operation、Channel layout，Winning the bid for Italy's high-speed rail、Thailand Natural Gas Pipeline、Rio Tinto Simandou Railway in Guinea、Saudi Arabia Tunnel Project、Overseas projects such as the railway from Maribaya Port to Simandou Mining Area in Guinea。New contract signed by the company abroad/Bid winning amount from 2021 1-3 in June.9.9 billion yuan，Up to 2023 1-12 in June.1.5 billion yuan，Strong growth in overseas markets。

  The reform of state-owned enterprises has achieved remarkable results.  

State-owned enterprises, especially central enterprises, are the national team of scientific and technological innovation.，Its mission is becoming more and more important.。During the reporting period，Railway Construction Heavy Industry further deepens the reform of state-owned enterprises，Release the vitality of enterprises。

First half of 2023，China Railway Construction Heavy Industry was selected by the State-owned Assets Supervision and Administration Commission of the“Create a world-class specialized, special and new demonstration enterprise”，Xinjiang Company Selected by the Ministry of Industry and Information Technology“Little giant”Enterprise。The company further consolidates the effect of the three-year action of state-owned enterprise reform.，Implement a new round of reform and deepen the promotion action.，Advance in an orderly manner“Demonstration action of science reform”“Value creation actions for world-class enterprises”“Create a world-class specialized, special and new demonstration enterprise”“Improve the quality of listed companies”And other special work，Achieve phased results。The company was awarded by the SASAC of the State Council in 2022“Science and Technology Reform Demonstration Enterprise”Benchmark，The company's reform and innovation experience materials were selected by the SASAC of the State Council.《Action Briefing on SOE Reform》And《Work exchange of state-owned assets》。