2ml sample vials-aijiren HPLC Vials. 2021 - 03 - 24. 1.5mL/2mL screw neck ND10, 10-425 thread autosampler vials with matched PP screw seals ND10, PTFE/rubber septa & micro-inserts. aijiren is a supplier of laboratory consumables, focusing on the production of HPLC sample vials. aijiren has more than ten.