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Expanding-shell Pre-stressed Hollow Rock Bolt

Anchoring & Support Expanding-shell Pre-stressed Hollow Rock Bolt

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Overview

R25/R30/R32 specifications with high anchorage force and self-locking ability, for Class III~IV surrounding rock tunnels, slopes and underground works.

Verified Supplier 装备制造 ISO 14001 ISO 14001 高新技术企业
China Railway Longchang Railway Materials Co., Ltd.

China Railway Longchang Railway Materials Co., Ltd.'s products cover domestic and international railway trunk lines, urb…

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