1.Three layer film blowing mahcine with IBC (inner bubble cooling system and upper rotary take-up unit). With high output. SJ-FM1800 ... & SJ-FMB50/850, SJ-FMB45/650,SJ-FMB55/1100, SJ-FMB65/1400, SJ-FMA50/850, SJ-FMA45/650, SJ-FMA65/1400, SJ-55FMX2DX600, SJ-60FMX2DX700, SJ-65FMX2DX800, SJ-45DX2-600, SJ-50DX2 ...