External public relations As a rotary excavation management personnel, anything is not as important as the external public relations with the Party, should be absolutely obedient to the arrangements, actively cooperate with, according to the Party's work instructions to carry out the work, and 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