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Creating HFD: Live to have a future

About HFD this brand origin, I believe that many of the best in the drilling tools industry have not heard, like a sudden emergence of which way the gods, suddenly appeared in the public field of visi...

Korean customers inspect 24-inch hammers

We were honored to receive an important customer from South Korea who wanted to purchase a 24-inch hammer manufactured by our company. As the marketing manager, I introduced the customer to the excell...

New process for piston machining with DTH hammer

New process for machining perforator pistons,The fatigue strength, microhardness, abrasion resistance, corrosion resistance and other properties of DTH Hammers surfaces are greatly improved.       ...