No.69 Huoju Road, New &amp High Zone Jining Shandong ***, No.69 Huoju Road, New &amp High Zone

Shandong China Coal Industry & Mining Group is a perfect example of the fusion between the mature experience of our workforce and innovative technologies concerning machinery involved in the p...

drill stem,drilling tads,deep drilling,exploration and development,development well,shallow well,drill rig,drill pipe...