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Dongguan Dazhan Metal Co., Ltd.

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Organization

  • Dongguan City, CN
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Humanized convenient door lock
    • Patent number 9,963,918
    • Issue date May 8, 2018
    • DONGGUAN DAZHAN METAL CO., LTD.
    • Tung-Ming Chang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    HUMANIZED CONVENIENT DOOR LOCK
    • Publication number 20170074011
    • Publication date Mar 16, 2017
    • Dongguan Dazhan Metal Co., Ltd.
    • Tung-Ming Chang
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES