Qingdao Sisa Abrasives Co., Ltd.

Changhe Li (2 out of 59 patents)

Min Yang (2 out of 43 patents)

Yanbin Zhang (2 out of 51 patents)

4.  Yali Hou (2 out of 30 patents)

5.  Zhen Wang (2 out of 10 patents)

6.  Huajun Cao (2 out of 29 patents)

7.  Baoteng Huang (2 out of 3 patents)

8.  Mingzheng Liu (2 out of 28 patents)

9.  Han Zhai (2 out of 7 patents)

10.  Bingheng Lu (2 out of 23 patents)

11.  Xin Cui (2 out of 20 patents)

12.  Naiqing Zhang (1 out of 23 patents)

13.  Teng Gao (1 out of 30 patents)

14.  Runze Li (1 out of 13 patents)

15.  Qidong Wu (1 out of 13 patents)