2ml Crimp Top HPLC Vials for Sale--Lab Vials Manufacturer High-quality screw-top 2ml HPLC vials with caps for sale. Browse 2ml 10mm autosampler vials and vial inserts in various sizes and closures with and without septa, including snap, screw, or crimp top vial closure options.Aijiren is the leading supplier of 2ml 10mm autosampler vials since 2007.