- Gas Tester flue gas monitor
- Gas Test Meter
- Portable High-Flow Bioaerosol Sampler rau Kab Mob
- Medical Protection Effect Tester
- Biological Air Sampler
- Kho Mob Mask Viral Test Tshuab
- Bfe Vfe Kn95
- Tsis yog dispersive infrared (NDIR)
- Adjustable Colony Counter
- biological kev nyab xeeb txee validation kuaj