YT28G air leg rock drill is a kind of rock drill with fast footage and stable effciency. It is widely used in tunnel driving and various rock drilling operations. It is an indispensable important tool for metallurgy, coal, railway, transporation, wate
YT28G air leg rock drill is a kind of rock drill with fast footage and stable effciency. It is widely used in tunnel driving and various rock drilling operations. It is an indispensable important tool for metallurgy, coal, railway, transporation, water conservancy construction and national stonework engineer.