Patent technology

A smart rotating bookshelf for convenient reader borrowing (invention patent)

A safe and secure file storage shelving system (invention patent)

Hand-摇动 hidden double-drive high-density shelving (invention patent)

A quick access and retrieval file sealing safe (invention patent)

A dense shelf chassis with anti-vibration locking function (invention patent)

A reinforced structure for a safe lock (invention patent)

A single-motor driven office bookcase (invention patent)

A combination smart parcel locker cabinet (invention patent)

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