The 5-layer IBC FFS film blowing production line features an upward rotating traction system, 360° thickness measurement, automatic air ring, internal bubble cooling, and PLC touch screen control, paired with back-to-back automatic double winding and multi-feeding gravimetric dosing. This system offers versatility across material applications and delivers excellent sealing, moisture resistance, water resistance, and anti-fouling performance. It is widely used for packaging in industries such as resin products, chemical raw materials, food, grains, and building materials.