Product category
Chemical reagent
Cooperative brand694
- (USA)ChemService
- (USA)PerkinElmer
- (USA)AccuStandard
- (USA)ThermoFisher
- (Germany)Dr.Ehrenstorfer
- (Australia)Glass Expansion
- (USA)GENIUS
- BOJNSCI
- BCR/IRMM
- CPAchem
- Aladdin
- Wellington
- Strem Chemicals
- METTLER TOLEDO
- Sigma-Aldrich
- GDANA
- (USA)MICRO
- ERM
- 迪康(DECON)
- (U.S.A)Bemis
- IL
- Swann-Moston
- NIST SRM
- LGC
- RBS
- BON STANDARD
- (China)KRLAB
- Yamato
- OHAUS
- J.T.Baker/VWR/Avantor