S. S. Mechanical Engineers [P] Ltd. Offers Bag Making Machine - Vest Type. S. S. Mechanical Engineers [P] Ltd. Is an ISO 9001 awarded company. The company manufactures Plastic Extrusion Machines, Single Screw and Twin Screw Plastic Extrusions, Flexography and Rotogravure Printing Machines. The Bag Making Machine - Vest Type is available with Servo or Stepper or Clutch Break System. The Bag Making Machine with Vest Type has two rolls of 350 mm that can be run simultaneously with one printed roll. The Bag Making Machine with Vest Type has Micro processor based controller with digital display.