1 / 6. Gc Autosampler Vial Hplc Sample Vials Customized Logo Free Sample High Quality 2ml Screw Top HPLC GC Autosampler Vial With Graduation For Chromatography Analysis. US $4.30-$4.60/ Pack. 2 Packs (Min. Order) CN Zhejiang Aijiren Technology Inc. 3 YRS.