18/1/2017 · We are indulged in Distributing and Supplying of HPLC & GC Vials from Delhi, India. Chromatopak offers wide range of products in the Vials & Vial Accessories segment including Screw Top Vials, Crimp Top Glass Vials, Headspace Vials, Snap-Top Vials, Shell Vials, Inserts, Vial Racks, Crimpers & Decrimpers. Autosampler Vials.