autosample vial sample with closures for aijiren Technology HPLC. 2ml autosampler vials-aijiren HPLC Vials The products we provide are:HPLC Vial,Headspace Vial,Sample Storage Vial,20ml Sample Cell with Cap,COD Test Tube,etc. Introduce of 9-425 HPLC Screw Vial 9-425 HPLC screw vial belongs to wider mouth vial,which is.