Rollatainers Limited supplies High Speed Vertical Form - Fill Seal Machine. Rollatainers Limited offers a wide range of Printed Lined Cartons and Packaging Machineries for application in the field of System Packaging. The High Speed Vertical Form - Fill Seal Machine of model number RTML - 6 is a single web fed multilane form fill seal machine with both side print registration used for producing four side sealed sachets. The Vertical Form - Fill Seal Machine is suitable for packing any free flowing powder or granular product.