Xinhua News Agency reporter Chen Jun、Su Xiaozhou、Bai Tian Tian

Entering Changde High-tech Zone in Hunan Province，Looking at the skyline，An array of tower cranes.“Steel Jungle”Come into view。It is the testing ground of Zoomlion Construction Hoisting Machinery Co., Ltd.。One of the tower cranes with a maximum lifting moment of more than 20000 tons stands tall.，This one“Big Mac”It will be delivered to CCCC Second Harbor Engineering Co., Ltd. this month and put into the construction of the river-crossing bridge.。

Tower crane at the test site of Zhonglian Jianqi Company。Xinhua News Agency reporter Su Xiaozhou photo

“General Secretary Xi Jinping emphasized when he participated in the deliberations of the Jiangsu delegation at this year's National Two Sessions.，From all over the world，We now have the most complete range of manufacturing categories.。At the same time，We need to improve.，Go to the middle and high end，Our high-quality development should be reflected here.。An important speech by the General Secretary，It points out the direction for us to promote the high-quality development of construction machinery industry.。”NPC deputies、Changde Mayor Zhou Zhenyu said.，We must follow the spirit of the General Secretary's important instructions.，Implement the government work report.“High-end、Intelligent、Greening”Request，Take the advanced manufacturing industry as the main direction of attack and continue to carry out the action of strengthening the industrial chain and supplementing the chain.，Form strong support for leading industries、The new industrial pattern of coordinated development of emerging industries。

After the National Two Sessions，Changde City began to deploy the three-year action of breaking through the industry by innovation.，Plan“Old industry”And“New track”Integration and development。Changde High-tech Zone has gathered more than 100 upstream and downstream enterprises of construction machinery.，The staff of the park and enterprises such as Zhonglian Jianqi worked together to formulate and promote it.“Seize the new track”Strategy，On the basis of fully considering the matching degree with the advantages of traditional construction machinery manufacturing，Actively docking new energy、Scientific research institutes and related enterprises in new materials and other fields，Successful introduction of hydrogen energy equipment、Aircraft automatic painting and other production lines，Optimize the industrial structure。

Liang Dai, deputy general manager of Zhonglian Jianqi Company, said.，At present, enterprises are making great efforts to optimize the product structure.，Continuous research and development of high-end innovative products such as large-tonnage tower cranes，In traditional infrastructure、Seeking Wind Power Beyond Housing Construction、Nuclear Power、Large bridges and other new growth points of domestic demand。

In Changsha，Digital Twin System of Underground Engineering Equipment of China Railway Construction Heavy Industry，A shield machine equipped with various sensors is sending back data at a rate of 2000 per second.，Real-time display of equipment operation status。Operators can interact remotely through mixed reality glasses.，Underground construction becomes“Perceptible and visible、Safe and green”。

“The Government Work Report Calls for Strengthening the Support of Scientific and Technological Innovation for Industrial Development。Only by constantly insisting on scientific and technological innovation，In order to truly realize the industry.‘High-end、Intelligent、Greening’Transformation and upgrading。”Deputies to the National People's Congress who led the development of the system、Liu Feixiang, chairman of Railway Construction Heavy Industry, said.。

The shield machine is being debugged on the production line of Railway Construction Heavy Industry.。Xinhua News Agency reporter Bai Tiantian photo

Wang Yongsheng, director of Digital Twin Research Institute of Railway Construction Heavy Industry, said.，Current policy tools and market environment support enterprises.、Colleges and universities、Laboratories and many other units jointly set up R & D teams.，Achieve R & D、Manufacture、Closed-loop innovation of the whole life cycle such as operation and maintenance，Let's digitize、Intelligent achievements are applied more smoothly.。

More policies are gathering strong momentum for the three Hunan provinces.，More related enterprises will benefit from this.。

In Changde High-tech Zone，Intelligent factory buildings of upstream and downstream enterprises of construction machinery such as Teli Hydraulic are under intensive construction.。Zeng Jun, director of Changde High-tech Zone Management Committee, said.，With the help of the park“Knowledge Value Credit Loan”“Bank-government loan”And other financial instruments，Solve the financing problem of innovative enterprises。

Hunan Provincial Office of Industry and Information Technology held one after another“Wisdom endows ten thousand enterprises”Action Promotion Meeting、On-site Observation Meeting on Digital Transformation of Industrial Clusters，Focus on infrastructure upgrading、Digital industry agglomeration、Ten major projects such as pilot demonstration and cultivation，Help small and medium-sized enterprises to solve“It won't turn”“Can't turn”“I dare not turn”The problem。

Recently，Sany Heavy Industry Holds Grand in Changsha Industrial Park“Trinity Science and Technology Festival”。Many of the products on display are popular overseas.“A blockbuster product”。

“To open up new markets.，Sany Heavy Industry is further strengthening the research and development of new products in line with the international market demand.，And improve the global supply chain layout and marketing service system.。”Member of the CPPCC National Committee、Xiang Wenbo, chairman of Sany Heavy Industry, said.，The enterprise is in“The Belt and Road”Continuous efforts in key areas such as along the line。After the National Two Sessions，He went to overseas exhibitions without stopping.、Investigation，Attend many new product launches and customer signing activities，Actively expand the overseas market share of enterprises。

　　“Trinity Science and Technology Festival”Construction machinery and equipment on display。Xinhua News Agency reporter Bai Tiantian photo

Hunan Xiangjian Heavy Industry Science and Technology Co., Ltd. is a state-level specialized new enterprise which mainly produces concrete pump trucks.，Relying on independent innovation to expand the market to Europe，Half of the orders in the first quarter of this year came from overseas.，Enterprises are further accelerating the formation of global marketing teams.。

At present，The overseas sales of many construction machinery main engine factories in Hunan continued to maintain a good growth trend.。yuan Zhen, Executive Secretary of Changsha Construction Machinery Industry Association, said.，Changsha will explore the establishment of overseas service centers focusing on small and medium-sized enterprises this year.、Build a second-hand equipment export platform、Holding International Construction Machinery Exhibition，Boosting more enterprises and products to expand market space。

“China's construction machinery and equipment has a strong competitiveness.。I believe，Just really do it‘Promote again’，Realization‘High-end、Intelligent、Greening’Requirements of，It will certainly be able to show new achievements in the fierce international competition.。”Yan Jun, chairman of Xiangjian Heavy Industry, said.。