58 Utility Patents
#3 in Qingdao
#1,275 in China
#28,673 in the World
Forward Citations = 9
Company Filing History:
Qingdao University of Technology
Ningbo Sanhan Alloy Material Co., Ltd.
Shanghai Jinzhao Energy Saving Technology Co., Ltd
4. 5 out of 108
Chongqing University
5. 4 out of 8
Qingdao Technological University
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