1. Assist the supervisor in the operation, maintenance, and upkeep of HVAC system equipment. 2. When the professional supervisor is not on duty, fulfill relevant responsibilities of the supervisor. 3. Assist the supervisor in preparing the material list of required spare parts, organizing and purchasing spare parts. Ensure the necessary reserve of commonly used materials and spare parts. 4. Ensure the attendance of team members and report to the supervisor on time. 5. Train subordinates and supervise and inspect their work ethics and work environment, and report any difficult incidents immediately. 6. Manage and use the tools and instruments of our class well, ensuring that they are in a good and accurate state for a long time. 7. Monthly and timely submission of energy statistics and related work record summary forms. 8. Cooperate with the professional supervisor to complete various tasks assigned by the supervisor.

1. Vocational school degree or above, with a refrigeration certificate. 2. At least one year of work experience in engineering positions, with experience in exhibition engineering and hotel engineering preferred. 3. Familiar with HVAC professional management system, workflow, and job responsibilities; Can lead technicians to complete the work content of organizing meetings and exhibitions, as well as the annual, quarterly, and monthly maintenance and repair plans for system equipment. 4. Strong sense of responsibility and execution, as well as communication and coordination skills. 5. Solid and diligent in work, good at analyzing and thinking about problems, and full of teamwork spirit.