DANGSHAN MINING MACHINE MAUNFACTORY

The modern society, the corporation’s efficiency competition is the quotation of the management level and the science and technology. Dare to discard,boldly out of the old inefficient equipment is policy-maker's wise choice!
The YY28 hydraulic rock drill is a new generation drilling equipments of our factory ,which takes more than 20 year careful development. And Obtained the "National Key New Product" and "Technical department Innovation Fund".
A number of patented technology makes this product has many outstanding features: small original ... [Details]