The PP Creasing Machine is a plastic welding machine. J. M. Vasnani Engineering Co. Offers PP Creasing Machine. J. M. Vasnani Engineering Co. Manufactures processing machinery for welding PVC and PP Stationery marketed under the brand name `Packweld`. The PP Creasing Machine is widely used for creasing on PP Computer File, Ring files, Box files and other stationery products.