Jul 10, 2020 · Aijiren, 1.5ml HPLC Vial and Cap factory, has wide product line, which is completed by lab accessories, like vial containers, racks and crimpers/decrimper. Storage vials for liquid or powdery samples are available by 1.5ml HPLC Vial and Cap factory. A new 20 mm crimp cap with Silicone/PTFE liner sets a new standard in the GC headspace area.