Compressed Air

1.1 Air compressor	1.2 Processing compressor	1.3 Special compressor
1.4 Parts and components of compressor	1.5 Postprocessing equipment	1.6 Lubricants and related equipments

Vacuum Technology

2.1 Vacuum pumps	2.2 Vacuum valves and accessories	2.3 Vacuum measurement and calibration instruments, gauges and vacuum leakdetector device
2.4 Vacuum application equipment	2.5 Vacuum materials, vacuum pump oil and vacuum engineering equipment