Winter maintenance of rotary drilling rig is very important, then in the cold winter rotary drilling rig need what special attention protection?First of all, the rotary drilling rig should be checked before starting, whether the protection of oil antifreeze is suitable for winter use Read More

I believe that everyone has the trouble of how to maintain the rotary drilling rig in the rainy season, so how to correctly maintain the rotary drilling rig in the rainy season?timely cleaning In the event of heavy rain, it should be cleaned in time, otherwise it can lead to the accumulation of sl Read More