Air compressors; Screw air compressors; Compressors (machines); Compressors for fluids; Compressors for gases; Compressors for refrigerators; Valves for compressors; Valves for measuring fluid flow; Check valves (parts of machines); Control valves (parts of machines); Heat exchangers (parts of machines)

Advisory services relating to the construction of mechanical engineering structures; Advisory services relating to the repair of civil engineering structures

Air compressors; Screw air compressors; Compressors (machines); Compressors for fluids; Compressors for gases; Compressors for refrigerators; Valves for compressors; Valves for measuring fluid flow; Check valves (parts of machines); Control valves (parts of machines); Heat exchangers (parts of machines)

Advisory services relating to the construction of mechanical engineering structures; Advisory services relating to the repair of civil engineering structures