19 Utility Patents
#3 in Henan
#6,084 in China
#181,667 in the World
Forward Citations = 1
Company Filing History:
Welead Infrastructure Engineering Technology (zhengzhou), Ltd.
Infrastructure Renewal Institute of Southern China
Safekey Engineering Technology (zhengzhou), Ltd.
4. 3 out of 33
Zhengzhou University
5. 1 out of 1
Infrastructure Renewal Institute of Southern California
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