1. Repair central and local refrigeration system for office
2. Repair the central refrigeration system, the factory
3. Repair the central cooling system, local building
4. Repair the central cooling system, laboratory, hospital
5. Repair of ventilation system, waste water treatment
6. Repair of trucks, trailers, forklifts
7. Repair boiler system
8. Repairing equipment for manufacturing industrial parks
9. Repairs of coffee production equipment: sublimation and spray drying.
10. Repairing fire prevention and fighting systems