1. Under the guidance of the department leaders, understand and implement the company's relevant policies, policies and technical standards, specifications, procedures and after-sales service management system.2. Implement the instructions issued by the leaders of the department, take the initiative to be seriously responsible for formulating work plans and implementation methods, and urge subordinates to complete the daily work of the technical maintenance department.3. Strong sense of safety in production management, and resolutely put an end to construction with hidden safety hazards.