Iso9001 10mm chromatography vials aijiren 10-425 Screw Neck 2ml HPLC Autosampler Vial Founded in 2007, Zhejiang aijiren, Inc. specialized in chromatography consumables, such as autosampler vial for HPLC, headspace vial, GC vials, micro inserts, septa and caps, syringe filter, etc, covers more than 10000 square meters, and has clean workshop