YT29A jack hammer video

YT29A jack hammer video ,YT29A rock drill video 

YT29A Pneumatic Rock Drill is a heavy pusher leg rock drill with high efficiency and low consumption.It is an indispensable tool for

metallurgy,coal,railway,transportation,water conservancy construction and national defense stone works.Besides,it is particularly suitable for various  construction projects,including railways,highways,hydropower, etc.