China’s first-of-its-kind boring and blasting rig boosts hard-rock tunnel digging by 30%

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Source: South China Morning Post
Published: 2026-08-04 21:00 UTC+10:00
Section: General
Factuality Score: 100
Opinion Category: Neutral
Topics: Business, Transport, Asia, Economy & Finance, China, Business & Economy, Asia Pacific
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Snippet:
Standard tunnel boring machines slow down in extremely hard or fractured mountain rock, which has led to delays in infrastructure projects
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