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Weiyel Inc
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Biochemical
Fine Chemicals(11)
Biochemical(6)
Chemical Lab Supplies(1)
Inorganic Acid(1)
Chemical Reagent(1)
Novel coronavirus RNA nucleic acid quality control sample (low value)
Human troponin (cTnI) quality control BNCC359818
Standard quality control sample of fecal coliform (filter membrane method)
Bacillus subtilis counting standard substance
Fecal coliform negative control samples (filter method)
Water quality fecal coliform negative quality control samples (paper rapid metho