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本公司的風環為純鋁合金製造,各種塑料適用,各個規格,現在分為單曾,雙層,旋轉與不旋轉的. cooling wind ring for extruding film blow machine THE AIR RING IS MADE OF aluminum alloy. DIAMETER :IT IS ADVIDED INTO SINGLE LAYER DOUBLE LAYER ROTARY AND NON-ROTARY. SUITABLE MATERIAL :VARIOUS KINDS OF PLASTIC MATERIALS CAN BE ORDERED.
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