GDF Flange Forming Machine



GDF integral flange is widely applied in Europe as a kind of quick installation duct flange. It shares common advantages with TDF flange—well seal, free of jointing and rivet. GDF flange is integral with duct, with 4 bolts and special duct corner and clamp.

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COMIFO DUCT MANUFACTURE MACHINE CO.,LTD.
COMIFO DUCT MANUFACTURE MACHINE CO.,LTD.

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COMIFO DUCT MANUFACTURE MACHINE CO.,LTD.

COMIFO DUCT MANUFACTURE MACHINE CO.,LTD.