1. Responsible for the daily operation and maintenance of the plant's facility systems (power system, HVAC, fire protection, water supply and drainage, compressed air system, process cooling water system, etc.) to ensure the stability and safety of system operation and compliance; 2. According to company requirements, formulate and implement the maintenance plan for plant facilities, and be responsible for formulating SOPs for plant facilities and training technicians 3. Based on the operational management goals of the company, establish and improve the operational management system documents and SOPs related to positions in the facilities department to ensure safe and compliant operation of the facilities department; 4. Complete the full process of construction management for new and expanded projects at the factory; 5. Prepare and execute the department's budget to ensure the rational use of the budget; 6. Continuously improve the stability and safety of facility systems from a professional and factory perspective, and formulate energy-saving measures to continuously reduce operating costs; 7. Record operational data and repair information for plant facilities to ensure the completeness and traceability of system operational parameters; 8. Manage and implement the security work of the factory area 9. Provide technical training for facilities department staff to enhance the team's service ability and work efficiency;