Factory pedigree original Ministry of Light Industry assigns the fixed-point production lock, factory in 1954 to be founded, is an old shop enterprise, locks the equipment profession as the Yantai system the central enterprise, the factory area is broad, the factory innovative idea, introduces the vanguard technology unceasingly, the adaptation system locks the profession production development need, wins the user oral traditions by the high accuracy lock, its extensive operating scope, explores and develops unceasingly, its main product has sold in distant markets world many countries and the area.

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