2. Project management: including project manager, project assistant and engineer, responsible for project planning, organization, implementation and management.
3. Quality management: including quality engineers and quality inspectors, responsible for the quality management and quality inspection of the project.
4. Safety management: including safety engineers and safety officers, responsible for the safety management and safety inspection of the project.
5. Human resource management: including human resource specialists and recruiters, responsible for human resource management and recruitment of the project.