5000-boxes-of-blue-screw-cap-10-425-hplc-vial-sent-to-singapore. Aijiren is a supplier of 2ml hplc vials. Our factory specializes in the production of hplc vials for chromatography. We use good raw materials to make vials and sell them at a cheap price while ensuring quality. Aijiren’s high quality and low price have satisfied many customers