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World's First 1,000-Metre Boring Machine Begins Operations in China

4/9/2026

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Summary

Story summary

The Gangtie Jiliang, developed by the China Railway Construction Corporation (CRCC), is the world's first boring machine capable of excavating full-face shafts over 1,000 metres deep in hard rock.
The machine weighs 500 tonnes and is 8.1 metres wide, and resembles an "underground aircraft carrier."
The machine has moved from assembly to full-scale operations at an iron ore project in Liaoning province.

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Story summary

The Gangtie Jiliang, developed by the China Railway Construction Corporation (CRCC), is the world's first boring machine capable of excavating full-face shafts over 1,000 metres deep in hard rock.
The machine weighs 500 tonnes and is 8.1 metres wide, and resembles an "underground aircraft carrier."
The machine has moved from assembly to full-scale operations at an iron ore project in Liaoning province.