TREA

Jinghua HE

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  • Beihai, Guangxi, CN
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Patents Applicationslast 30 patents

  • Information Patent Application

    INK CARTRIDGE
    • Publication number 20240424802
    • Publication date Dec 26, 2024
    • SPEED INFOTECH (BEIHAI) COMPANY LIMITED
    • Chenhai ZHAO
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    INK CARTRIDGE PACKAGING ASSEMBLY, AND INK CARTRIDGE ASSEMBLY
    • Publication number 20240351339
    • Publication date Oct 24, 2024
    • SPEED INFOTECH (BEIHAI) COMPANY LIMITED
    • Chenhai ZHAO
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS