青云翻译

Daqing Oilfield Co. Ltd. on the project, certain provisions of the subcontract management

Daqing Oilfield company limited on certain rules of project subcontract management

Daqing Oil Field Limited liability company about engineering project subpackage management certain stipulations

Daqing Oilfield Co. , Ltd. , package management on projects a number of provisions of the

Daqing Oilfield company limited on certain rules of project subcontract management