Zhejiang Zhuxin Machinery Co.,ltd is willing to cooperate with customers in Djibouti to open up the market. We provide high quality Granulator machine products, preferential factory prices, and professional after-sales services to provide impetus for the rapid development of your company! TL three to five layers coextrusion film blowing machine(IBC vesicle-cooled type). TL three to five ?Plastic melt is extruded through an annular slit die, vertically to form thin walled tube ? Air is introduced in the centre of the die to blow up the tube like a balloon (IBC) ? Air ring blows onto the hot film to cool it (outside and inside the tube) ?