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