The right machine for making T-shirt bags,full automatic to form bags in one time,keeping tidy and easy to be packed,improving the production efficiency.Double sensitive electric eye for tracking print color,double servo motor controling,inverter for speed adjusting,AC motor for feeding speed adjusting,air blowing type feeding for smoonthly feeding,hydraulic push control for automatic puncher,collected waste centralized delivery,easy to arrange,simple to operate,with the function of automatic shutdown when no feeding,feeding off or feeding-block.Double speed.