AVI Global Plast Pvt. Ltd. Supplies Polyvinyl Chloride - PVC Comb Binding Rings. Global Plast Pvt. Ltd. Is the manufacturer of shirt packing materials [collar bands & collar stays] and rigid PVC films respectively. Polyvinyl Chloride - PVC Comb Binding Rings is available in all colors. Polyvinyl Chloride - PVC Comb Binding Rings is 100% accurate in forming and punching. These binding rings have no rough cuts. This comes under the brand name of COMBIND.