What departments does Beijing Sany Electric have?

Sales Department, Production Department, Purchasing Department, Quality Inspection Department, Reference Room, Marketing Department, Development Department, Technology Department, After-sales Service Department, Maintenance Department, Engineering Department, Administration Department, Finance Department, Installation Department, Construction Department, Development Department, IT Department, PLC Department, PEC Department, PPD Department, PET Department, PVC Department, PC Department, Ministry of Foreign Affairs, Social Environment, People and Animals Department. . . .