Great Wall Drilling is one of the five major drilling companies under PetroChina, and it is a bureau-level unit. Then its drilling company belongs to a department-level unit at most, and some drilling companies have no drilling company. There is at most one drilling company (department-level unit here) among the subordinate drilling companies.
Well, first of all, it belongs to logistics service, and secondly, if the bonus system is more humane, more work and more pay, otherwise it will be a pot of rice. Generally speaking, it is ok to recruit college students through unified recruitment, but it is bad to apply through the market, but the advantage is stability.