For many years, we have been devoted to developing and manufacturing various pneumatic tools suitable for tunneling in mines, roads or tunnels, as well as drilling holes in engineering and the second-broken process in excavating fields..
For many years, we have been devoted to developing and manufacturing various pneumatic tools suitable for tunneling in mines, roads or tunnels, as well as drilling holes in engineering and the second-broken process in excavating fields..
The products and services offered by Fuzhou Chenglong Rock Drill Co Ltd are YT24 Air-leg Rock Drill, Ye12 Hand-Held Rock Drill, YO18 Air-leg Rock Drill, Y20ly Hand-Held And Air-Leg Rock Drill, etc..
Fuzhou dig sword land machine co.,ltd - manufacturer of air leg, air leg rock drill-y20ly and air leg rock drill-yo18 from fuzhou, fujian, china. explore product range of fuzhou dig sword land machine co.,ltd at best prices..
The rock drill of YT23 is a kind of high efficiency air leg rock drill machinery. it is mainly used for blasting holes and other drilling works in a quarries, railway construction, water conservancy construction and defence project facility..
Korean based manufacturer of rock drilling tools, such as SHANK,ROD,SLEEVE,bit etc. Also we have been qualified by lots of buyers from worldwide since our establishment from 1992.
[pdf] This course is designed to provide students with a fundamental knowledge of the technology, equipment and terminology used at the drilling rig that will enable them to effectively function within the drilling rig.
[pdf] As a kind of friction clutch that uses compressed air as manipulating power source, pneumatic-tyred clutch is widely used in such equipment as oil drilling rig and workover rig, and is also an important part of the drive systems of oil drilling rig and workover rig.
[pdf] 
