September 12，Jointly built by Railway Construction Heavy Industry and Lu'an Chemical Group“Ludun No.1”Mine useTBMOffline in Changsha, Hunan。“Ludun No.1”Excavation diameter 6.33 meters，Equipment length: 85m，Total weight about 650 tons，Shields are switchableUType design，Ultra-small empty top distance support by switching the form of shield body，It is the first domestic one independently developed by Railway Construction Heavy Industry.UOpen-top type multifunctional miningTBM。

Speech by Zhao Hongliang, Deputy Engineer of Lu'an Chemical Group Co., Ltd.

Member of the Party Committee of Railway Construction and Heavy Industry、Deputy General Manager、Tan Guangyong, chairman of the trade union, delivered a speech.

Marketing Director of China Railway Construction Heavy Industry、Yang Fangming, General Manager of Business Planning Department, presided over the ceremony.

With new technology.、New technology、New ideas，“Ludun No.1”Will soon serve in Lu'an Yuwu Coal Industry Nanliu、Engineering construction of Nanqi mining area。Turn around with a horizontal radius of 60 meters for the project、Large slope rises and falls with coal seam、There are many practical construction difficulties such as collapse columns.，China Railway Construction Heavy Industry insists on independent innovation，Provide customers with high-end customized products and services，At“Ludun No.1”A number of innovative technologies are used in the design and manufacturing，It provides a powerful key guarantee for the rapid excavation of the project roadway.。 

The leaders and guests are here“Ludun No.1”Mine useTBMTake a group photo before

“Ludun No.1”Successfully offline，It is a good start for the deep cooperation between Railway Construction Heavy Industry and Luan Chemical Group.，It is also a perfect fit between the high-end R & D capability of domestic equipment and the demand for intelligent production in the mining industry.。Both sides will take this as an opportunity.，Further deepen and expand areas of cooperation。