The present invention relates Borders bar designed to easily assemble the outer rim of the indoor advertising channel letters,; Border bar the release groove is formed in the inner side of the top panel and a release groove are formed in the government, and is provided with a panel receiving groove formed in a release,; Insert the primary non-ferrous metal bar inside the border, preventing the phenomenon of waves hitting the outer rim bar to bring up the effect that can be easily and conveniently assembled border bars of the character table designed to channel family.
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