aijiren autosampler vials are widely used in High Performance Liquid Chromatography and GC/MS. As we all know, autosampler vial is called HPLC vial.aijiren is the HPLC vial manufacturer, which supply 8-425 HPLC vial, 9mm short thread screw autosampler vial, 10-425 screw HPLC vial, ND11 snap HPLC vial, ND11 crimp HPLC vial with aluminum cap and so on.