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公司产品>double layer film blowing machine  产品介绍  点击观看大图 简介：Double Layer Film Blowing Machine  Characteristics: 1.Double-layer co-extrusion laminated film can prolong the length for preservation of liquid package. 2.The cylinder and the screw stem of the extruder are made of high quality alloy steel with optimum hardness and durable service after precision finishing and nitrogen treatment. 3.The auxiliary machine has a platform working table for making operation easy and is equipped with bubble stabilizing ring. 4.Double-rolling and double-cutting coiling unit adopts torque motor to keep proper tensions and make rolling even and roll- changing easy. Barrel and screw material:  38 chrome-molybdenum aluminum , nitrogen treated Rotary die device : Continuous 360 degree rotation http://www.sanbimachine.com/