Autosampler vials-Aijiren Vials for HPLC/GC. Aijiren autosampler vial is the perfect fit for HPLC and GC instrument platforms,Autosampler Vials are available in a variety of configurations. Aijiren 13-425 screw sample vial 24-400 screw vial Crimp top GC vial ND11 crimp vial ND11 snap vial ND9 screw vial Screw.