aijiren, which is China HPLC Vial and Cap manufacturer, put forward standard for all of their manufactured 11.6x32mm hplc vials including the following items:1.5ml 8-425 screw thread chromatography vials, 2ml ND9 large opening short screw vials, 1.5ml 11mm crimp HPLC GC and MS vials, 2ml snap ring vials with ND11 large opening, 10-425 large