The machine adopts the international advanced technology and can be used for the trilateral and four edge-sealing aluminium film bag packaged products, machine adopts PLC program control, with high precision weighing equipment, dedicated to micro particles, particles and liquidity too smoothly. It can solve the servo motor drive screw problem which can't discharge measurement. the machine Widely used in food, pharmaceuticals, seeds, pesticides and other products of effective packaging, packaging metering precision, equipment appearance, stable performance, easy to operate.