- Dry Microbial Penetration Resistance Tester
- Oil Aerosol Generator
- Daghang Gas Detector
- Medical Mask Air Resistance Tester
- Disposable Mask Filtering Efficiency Tester
- Maskara nga Bacterial Filtration Efficiency
- O3
- 2i Digital Aerosol Photometer
- Mask Perticulate Filtration Efficiency Testing Instrument
- Biosafety Cabinet Leakage Tester