20 Utility and 4 Design Patents
#50 in Jiangsu
#5,276 in China
#163,907 in the World
rank by utility patentsForward Citations = 58
Company Filing History:

China University of Mining and Technology

4. 4 out of 6
Xuzhou Zhirun Mining Equipment Science and Technology Co., Ltd
5. 2 out of 14
Inner Mongolia University of Technology
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