REVO Industries, Swarup Mechanical Works manufactures Double Thread, Portable Bag Closer Sewing Machine. REVO Industries, Swarup Mechanical Works is a DIN EN ISO 9001: 2001 certified company that offers industrial sewing machines, bag closers and over-lock sewing machines. Double Thread, Portable Bag Closer Sewing Machine is a single needle portable sewing machine that is suitable for bag closing applications demanding high-strength and tight closures. They consist of two thread chain-stitch and are simple to operate. This Portable Bag Closer Sewing Machine offers trouble-free performance even in most adverse conditions in an agricultural or industrial bag closing environment. Its scissor-type cutter can cut thread and bags with minimum effort for maximum productivity. The salient features of Double Thread, Portable Bag Closer Sewing Machine are: