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NingBo SPT Engineering Material Co.,Ltd（Primary business in manufacturing and selling rock support thread bars. Kinds of···
Underground rock support method
Features and Advantages• Particulary suitable for difficult ground conditions.• A high rate of installation since drilli···
rock support underground
Strainburst is the most frequently encountered type of rockburst in underground mines. Strainburst occurs when the stres···
Rock reimforcement bolt
Installing long-term rock bolts in poor rock conditionsOne of the more difficult rock reinforcement tasks in underground···