Drill

. Malaysian merchants expressed their satisfaction and signed a water well drilling rig ordering contract on the spot. Both parties formally reached long-term strategic cooperation and signed a memora

Gas and water Malfunction failures of air leg rock drill are mainly due to: high water pressure, gas and water blocked, water valve spring failure, leakage, leakage, apron failure, parts of the valve

The reason for the formation of air leg rock drill water needle fault: The center hole of the shank is not correct, the gap between the shank and the shank is too large, the water needle is too long,

Malaysian Businessmen visited Shandong China Coal Group for long-term strategic cooperation on borehole drilling rig

Russian merchants visited Shandong China Coal Group and carried out investigation for water well drilling rig purchasing and long term cooperation. Shandong China Coal Group Cross-Border E-commerce Co

Bangladesh merchants visited Shandong China Coal Group and carried out investigation for the relevant matters of purchasing Borehole Water Well Drilling Rig