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 driving force, fast speed, stability control, low noise,simple,reliable, easy maintenance, flexible and mobile etc. Nowadays,YY28 has been accepted and widely used in many departments such as the highway and railway tunnel, the electricity and hydraulic projects, the building materials and quarrying department etc.And the users define YY28 as the
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