ABOUT AIJIREN. Zhejiang Aijiren Technology, Inc. Aijiren is a manufacturer specializing in the production of chromatography consumables. Aijiren provides HPLC Sample Vials, GC Vials, Sample Storage Vials, COD Test Tube, Syringe Filter, Reagent Bottle etc. Aijiren provides chromatographic consumables for laboratories engaged in chromatographic