This U channel roll forming machine is used for door rail, but it U shape design, so we also can call it door rail roll forming machine or U purlin roll forming machine, it can produce total five sizes U purlin.
This the garage rolling door rail roll forming machine product is deeply used in shop, factory, market or other big automatic metal door needed building
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No. 788-5D, Jimei North Avenue, Jimei District, Xiamen, China