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Xintian Li

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  • Qingzhou, CN
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Patents Applicationslast 30 patents

  • Information Patent Application

    DOOR HINGE
    • Publication number 20250075545
    • Publication date Mar 6, 2025
    • Shandong Huajing Glass Co., Ltd
    • Jianqing Qi
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    WIRING DOOR HINGE
    • Publication number 20240344376
    • Publication date Oct 17, 2024
    • Shandong Huajing Glass Co., Ltd
    • Jianqing Qi
    • H01 - BASIC ELECTRIC ELEMENTS