aijiren Technology hplc vial caps for lab use-aijiren Vials With Caps. 2ml Crimp Top Glass Vial with Label Area–aijiren Vials 8-425 HPLC Glass Vials with Caps for aijiren Technology The aijiren 8-425 screw cap and vial are suitable for aijiren Technology and other rotating or robotic arm samplers. The specifications for the 8-425 HPLC sample vial are.