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1. U Shape Duct Manufacturing Auto Line V Main Features: 1.Compact U-type structure needs litter spa

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There are two styles Duct line Square duct Auto : one is linear type V, them composed of a decoiler,

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1.Duct Automatic line lll Advantage of Products: 1.The latest design can resolve the problems like g

AUTO DUCT LINE Comifo Duct Manufacture Machine Co., Ltd is a professional HVAC duct production line