8mm GC-MS vials wholesales factory manufacturer-Aijiren 2ml hplc vial caps in clear for HPLC and GC supplier Aijiren 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 1. 1.5ml