Patented technology

Intelligent rotating bookshelf convenient for readers to borrow (invention patent)

A compact shelf for safety and insurance archives (invention patent)

Hand-shaking hidden double-drive compact frame (invention patent)

A fast access to the file sealed safe (invention patent)

Compact frame chassis with shock-proof and locking function (invention patent)

Security cabinet lock reinforcement structure (invention patent)

Single-motor traction office book compact shelf (invention patent)

Locker-type combined intelligent express cabinet (invention patent)

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