Kits include 10ml or 20 ml clear glass precision screw neck headspace vial (22.5*46mm, 22,5×75,5 mm), magnetic screw cap silver with 8 mm central hole and septum. Company Introduction Founded in 2007, Zhejiang Aijiren, Inc. specialized in chromatography consumables, such as autosampler vial for HPLC, headspace vial, GC vials, micro inserts