Purchase Qty. Reference FOB Price
2-99 Bags US$8.96
100+ Bags US$7.80
Product Description
Product Description Gas chromatography (GC) helps scientists ensure the safety, quality, and purity of our food, air, water, and pharmaceuticals; determine the composition and consistency of fuels and chemicals. So GC headspace vial is large quantity demanded. Aijiren 6-20ml crimp neck GC ...