On May 2018, Doorfold Movable Partition Wall Company owned another utility model patent of “build-in floor bolt structure” from the state intellectual property bureau (patent NO：ZL 2017 2 0929782.6). Till now, we have owned 4 utility model patents. As a Professional operable partition manufacturer, Doorfold partition R&D team will continue to make more advanced designs for our clients as our mission.
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