Our 9mm wide opening vial is versatile and will also perform well with most instruments including aijiren & aijiren Technology. Inquiry. For use with aijiren®, aijiren Technology® 12x32mm Vials, 2mL. aijiren®/aijiren Technology 2ml Compatible Products, for use with HPLC/GC Autosampler, Vials, Caps, and Accessories.