ZHE DA DIXUN

Adjuvants, other than for medical or veterinary purposes; Biochemical catalysts; Chemical preparations for scientific purposes, other than for medical or veterinary use; Chemical reagents, other than for medical or veterinary purposes; Chemical substances for analyses in laboratories, other than for medical or veterinary purposes; Cryogenic preparations in solid, liquid or gas state for use in chilling and freezing; Diagnostic preparations other than for medical or veterinary purposes; Preservatives for use in the pharmaceutical industry; Reagent paper, other than for medical or veterinary purposes; Test paper, chemical