Apply to the anchor-network support hole drilling in coal mine, transportation, hydropower, and so on.

Characteristics: high wear resistance and impact-resistant toughness; long drilling life,, drilling efficiency can be promoted sharply in penetration of soft and medium soft formation; laber intensity can be reduced.

a. certification: ISO9001:2008
b. having sufficient experience of explorting to 30 countries all over the world, and our items haved obtained our clients approval
c. lower your drilling cost and have speedy delivery