July 17，President of the International Tunnelling and Underground Space AssociationArnold DixInvestigate Railway Construction Heavy Industry，Deputy Secretary of the Party Committee of Railway Construction Heavy Industry、General Manager Wang Peng and other leaders accompanied the investigation.。

Arnold Dix Chairman （Right 2）Investigate Railway Construction Heavy Industry

The largest high-end underground engineering equipment manufacturing base in the world——Railway Construction Heavy Industry Changsha Second Industrial Park，Arnold DixThe chairman visited the tunnel boring machine production line one after another.、Drilling and blasting tunnel equipment production line。Wang Peng is rightArnold DixThe chairman welcomed the visit.，The production and R & D of Railway Construction Heavy Industry are introduced in detail.、Market development, etc.。

Wang Peng said，In recent years，The innovation capability of Railway Construction Heavy Industry has been continuously improved.，Continuous breakthroughs in product research and development，Steady progress in market development，Overseas“Circle of friends”Constantly expanding。I hope that in the future, China Railway Construction Heavy Industry will be able to cooperate withArnold DixKeep in touch with the chairman，Promoting overseas exchanges and cooperation。

Under investigation，Arnold DixThe chairman said，He has carried out various exchanges with China Railway Construction Heavy Industries for several times.，The equipment developed by Tiejian Heavy Industry has refreshed his understanding of Chinese manufacturing.。At present，In the world's major key projects，All have the figure of railway construction heavy industry equipment.。Especially a roadheader，Main drive expansion and contraction mastered by China Railway Construction Heavy Industry、Automation control technology has been the world's leading.。Nowadays，He will use his own experience.，Call on overseas tunnel professionals to learn more about Chinese equipment，Learn about real Made in China。

It is reported that，In April this year，Arnold DixThe chairman came to Tiejian Heavy Industry for investigation，See, hear and feel in the form of pictures and texts，Published on internationally renowned professional social networking platforms，Share your experiences in China Railway Construction Heavy Industry“Made-in-China Exploration Tour”，It has attracted wide attention in the overseas tunnel engineering industry.。