Dayou Zhang

3 Patents

• USD11126722026

  Humidifier

  SUZHOU BEIANG SMART TECHNOLOGY Co. Ltd.

  0 cites
• USD10819492025

  Air Purifier

  Suzhou Beiang Smart Technology Co., Ltd.

  0 cites
• USD10242682024

  Water Purifier

  SUZHOU BEIANG SMART TECHNOLOGY Co. Ltd.

  0 cites