Aijiren’s 2ml hplc Vial has three different calibers to choose from. Screw, crimp and snap, the openings are divided into 8mm-11mm, many types are convenient for customers to choose. 1.5ml Vial Factory Packaging. The packaging of Sample Storage Vial produced by Aijiren uses PP Box, 100pcs is a box, Aijiren’s minimum order quantity is