September third，Hunan Science and Technology Conference and Science and Technology Award Conference Held in Changsha。The secretary of the provincial Party committee is Shen Xiaoming，Deputy Secretary of the Provincial Party Committee、The governor is Mao Weiming，Mao Wanchun, chairman of the CPPCC Provincial Committee, attended the first meeting that morning.。It was read out at the meeting《About 2022-Decision on Science and Technology Awards of Hunan Province in 2023》，Railway Construction Heavy Industry“Key Technology and Application of Super Large Diameter Shield Machine”The project won the first prize for scientific and technological progress in Hunan Province.。

“Key Technology and Application of Super Large Diameter Shield Machine”The project won the first prize for scientific and technological progress in Hunan Province.

Super-large diameter shield machine is a powerful tool for crossing rivers and seas.，Its service environment often faces a large cross-section.、High water pressure、Challenges such as complex formations。China Railway Construction Heavy Industry Co., Ltd. has set up a research and development team of super-large diameter shield machine，In the country、Supported by provincial and ministerial science and technology projects，With“Chisel the road in every mountain、Bridge in water”The spirit of railway soldiers to overcome difficulties，Independently developed the first domestic 16-meter super-large diameter shield machine“Jinghua”、Deepest undersea tunnel shield machine in China“Shenjiang No.1”And other major equipment，Supporting the construction of major projects in many countries，Become a successful model created by China。

The first domestic 16m super-large diameter shield machine“Jinghua”Out of the hole

“Shenjiang No.1”The shield machine reaches 106 meters under the sea.，Create the deepest record of underwater tunneling of shield machine in China

At the meeting，Liu Feixiang, chief scientist of Railway Construction Heavy Industry, spoke as an award-winning representative.。He talked about the independent innovation of China Railway Construction Heavy Industries.、Collaborative innovation、Open and innovative，Break through key core technologies，From 0 to 1 in more than a decade、From 1 to many，Build the most important tool of the country，Lead the development of industry，The course of innovation towards internationalization in an all-round way。He said，This time, he won the first prize of the Provincial Science and Technology Progress Award.，It is a solid innovation for enterprises.、The Greatest Commendation for Persistently Tackling Key Problems，China Railway Construction Heavy Industries Co“Wish to serve the country with this body.，Cast heavy device for self-reliance and self-improvement”。

Liu Feixiang, chief scientist of Railway Construction Heavy Industry, spoke as an award-winning representative.

China Railway Construction Heavy Industry Co., Ltd. will stick to its mind“The great of the country”，The heart“The great plan of the province”，Focus on the development of new quality productivity，Build the heavy weapon of a big country，Promote industrial upgrading，In order to accelerate the realization“Three high and four new”A beautiful blueprint、Compose a chapter of Chinese-style modernization in Hunan and contribute more.。