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Round Duct Seam Closer is especially used to strengthen the button lock and is particularly suitable for producing a great number of round ducts; it can combine with a 3-roller forming machine or 4-roller forming machine to produce the duct which is of standard appearance and reliable quality. It is easy to install with high efficiency.
Round Duct Seam Closer is especially used to strengthen the button lock and is particularly suitable for producing many round ducts; it can combine with a 3-roller forming machine or 4-roller forming machine to produce a duct that is of standard appearance and reliable quality. It is easy to install with high efficiency.
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