... ldpe. hdpe, lldpe 2.passed ISO9001 3SJ Series Three-layer Common-extruding Rotary Die Film Blowing MachineRelated Searching names ... sealing performance, for instance holding temperature, antihumid, antibreeze, anti-rain, anti-rost, insulation oxygen, oil resistive, and so it ... meat, pickling vagetables, etc.characteristics:1. Die head is layer type spiral mandrel, which is continously 360° rotation.2 ...