Patents Assigned to Shenzhen Yihuaxing Technology Co., Ltd.
  • Fireproof document bag
    Patent number: D964741
    Type: Grant
    Filed: November 26, 2021
    Date of Patent: September 27, 2022
    Assignee: Shenzhen Yihuaxing Technology Co., Ltd.
    Inventors: Yuming Liu, Xuyang He