Driller promotion order

Driller, locksmith, locksmith, derrickman, assistant driller and driller. According to the information of China Drilling Network, the driller's promotion paths are: driller, lead fitter, back fitter, Derek Sen, assistant driller and driller. Modern employment system adopts labor dispatch or temporary employment system, so does oil drillers. Only by working hard and creating amazing results can you have a chance of promotion.