Home » News » Vials Septa » 1.5ml chromatography vial septa on stock Australia lab vialsAutosampler vials with caps from Aijiren on sale- Mar. High quality screw neck vials with caps for hplc sampling. 4ml Screw Neck Autosampler Vial Supplier–Aijiren Vials Aijiren uses high-quality materials to make Vials, Caps & Septa, reducing the impact of vial on the experimental results.