zhejiang aijiren Tech. is professional supplier of 8mm thread hplc vials, autosampler vials 1.5ml / 2ml, 8-425 trhread vial is the original screw thread vials, dimension: 12*32mm, meterial: borosilicate glass, clear or amber. 8-425 screw top, 2ml Amber vial, graduated with writing area, standard opening vial.