Our company produces single-layer film blowing machine and also professional high-speed co-extrusion film blowing machine. High speed film blowing machine is applied for blowing high-low density polyethylene. The product is widely used in composite film, packaging film, agricultural covering film, textile packing, garment bag or film packaging and other packaging areas. The main motor adopts inverter speed controller, which greatly increases the stability of main motor and can save 30% power. The screw and cylinder are made of 38 CrMoAl, and been nitrided. The traction frame adopts lifting type, cooling the best film, either big or small.