Xiuling Zhu

5 Patents

• USD11249152026

  Diamond Measuring Ruler

  Shenzhen Dikai Industrial Co., Ltd.

  0 cites
• USD11168782026

  Tester

  Shenzhen Dikai Industrial Co., Ltd

  0 cites
• US122352122025

  Precious Stone Testing Apparatus and Method Thereof

  Shenzhen Dikai Industrial Co., Ltd.

  0 cites
• US121302382024

  Multi-functional Precious Stone Testing Apparatus and Method Thereof

  Shenzhen Dikai Industrial Co., Ltd.

  0 cites
• USD10014872023

  Key Chain

  0 cites