This 2 Layers 4 Lines Heat Sealing Cold Cutting Polythene Nylon Shopping Bottom Sealing Plastic Bag Making Machine is specializing in manufacturing bottom sealing plastic bags (also called plastic flat bags), in the machine,it adopts high quality channel steel as machine structure, very solid and working stably, the whole machine is drove by main motor, with inverter for controlling the motor, power saved and protect the electricity circuit. The sealing blade use high quality copper material, cutting blade adopts good quality SK-45 high speed steel, working life longer, in the machine, adopts leading famous brand temperature controller, heating rapidly, high sensitivity and durability, temperature detect accurately, and use high performance heater, high temperature resistance, evenly heated, high insulation performance, low cost, small size, easy installation, high power, high thermal efficiency, high temperature, long life etc. In the bottom sealing plastic bag making machine, uses step motor or servo motor for controlling film feeding, it is suitable for making non printing bags four or six lines same time.