Graphic Customization crimp cap vial for HPLC and GC- Aijiren 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