Perform routine maintenance and fault repair for commercial vehicles in workshop, mainly handle popular Japanese (Hino, Isuzu) and Chinese heavy trucks & buses.2. Able to independently inspect, repair and overhaul engine, gearbox, clutch, chassis, brake system, suspension and hydraulic system, diagnose and fix all types of mechanical faults efficiently.3. Skilled in operating professional vehicle diagnostic tools, troubleshoot wiring, sensor and electronic control system faults, complete general electrical repair independently to ensure smooth vehicle operation.4. Follow workshop SOP to conduct daily vehicle inspection and regular maintenance, fill in work orders and repair records accurately to maintain stable fleet operation.5. Responsible for emergency breakdown repair and local on-site rescue, complete maintenance tasks efficiently to minimize vehicle downtime.6. Comply strictly with workshop safety rules, store and arrange repair tools and equipment properly, keep workplace clean, and cooperate with supervisors for daily workshop management.7. Assist in guiding apprentices and junior technicians to follow standard work procedures, unify repair standards and improve overall team efficiency and work quality.