Sigma screw HPLC sample vials manufacturer-Aijiren Sample Vials Iso900 8mm hplc vials with label Sigma-Aijiren Hplc Vials 03 11 2021 Thermo Fisher 2 ml vials with caps in amber for liquid autosampler with high quality-Aijiren Hplc Vials 2021 – 08 – 14 Thermo Scientific crimp top vials for HPLC and GC are available in 8mm, mm, or 3mm crimp border diameter in clear and amber glass and plastic.