EXW price screw lab vials with patch for HPLC. 2ml lab snap top HPLC glass sample vial for ion chromatography. EXW price 1.5ml aijiren screw thread glass vial 12*32mm HPLC vial for GC-MS . US $0.06-$0.09/Piece Glassware Laboratory 11mm Crimp Top Vial 2ml Sample HPLC Vial with Writing Patch .