1 8 US $26,920.00-27,200.00 / 8
Diamond Member Since 2022
Mechanical top-drive drilling rig is a machine that mixes mud drilling rig and air drilling rig in one equipment. It adopts MT or AMT manual automatic transmission, 10 grade forward gears, and 2 grade reverse gears. Positive and negative switching is sensitive and convenient. Main drilling methods: ...