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3-6 m
Small-Diameter
For utility tunnels and water pipelines in confined spaces. Compact, efficient, and adaptable to various ground conditions.
6-9 m
Standard-Diameter
Used in metro, municipal, and infrastructure projects. High efficiency, stable performance, and strong adaptability.
9-11 m
Large-Diameter
Suitable for large-scale tunnel projects such as highways and railways. High power, high stability, and long service life.
>12 m
Extra-Large-Diameter
For super large tunnel projects like cross-river and cross-sea tunnels. Ultra-high power, intelligent control, and extreme durability.
