JK730-2 crawler mounted automatic rod exchange DTH drill rig is a hydraulic DTH drill rig. It is equipped with automatic rod changer for rod storage, changing and connecting automatically, as well as hole loc.
[pdf] Sullair offers two separator series options–the SULLIPROTM and the SP. The SP Series is a non-cartridge option using molecular filtration. Condensate flows into the depressurization chamber where pressure is reduced.
[pdf] Why do we dare to say that our kelly bar are the best in China? First of all, it is because of our strict control on the material. When it comes to materials, we never cut corners. The first two sections of kelly.
[pdf] 
