Vacuum packing machine with nitrogen consists of three devices:the vacuum packing machine,nitrogen making machine,air compressor.Nitrogen making machine separates the nitrogen from air-and then connect on the air compressor-compressing the nitrogen by air compressor-into vacuum packing machineVacuum packing machine with nitrogen have two models:single-room 400 and 500 vacuum packing machine 1, best price Nitrogen Vacuum packaging machineThis Nitrogen Vacuum packaging machine is used for packaging all kind of food such as peanut, cracks, chicken paws, chicken feet, and so on. ModelGLDZQ-400GLDZQ-500Packaging capacity120-150times/h120-150times/hSealing size(including two seals)400mm500mmDimension600*670*1070mm750*680*1100mmPumping rate20m3/h20m3//hMotor900w900kwWeight95kg180kg Contact: Ms Nancymobile: 0086-13643842763TEL: 0086-371-60317344FAX:0086-371-60317344Email: [email protected]: [email protected]: [email protected]: gashilinancy http://www.gsl-machine.com/pid11488916/best+price+Nitrogen+Vacuum+packaging+machine.htm