Standard Opening 8mm Sample Vial Type-aijiren HPLC Vial Factory 2023 - 02 - 24 8mm 2ml HPLC Vials for PERKIN ELMER--aijiren Vials for 2021 - 05 - 27 The 8-425 Autosampler Vial provided by aijiren can choose Caps with or without a center opening, an autosampler with a center opening for easy sampling, and an HPLC Vials without a