Chengjian Han

4 Patents

• USD10966092025

  SLA Replacement Battery

  Shandong Goldencell Power Technology Co., Ltd.

  0 cites
• USD10838112025

  Power Bank

  Shandong Goldencell Power Technology Co., Ltd.

  0 cites
• USD10786302025

  UPS Power Supply

  Shandong Goldencell Power Technology Co., Ltd.

  0 cites
• USD10602142025

  Energy Storage Box

  Shandong Goldencell Power Technology Co., Ltd.

  0 cites