21 Utility Patents
#218 in Guangdong
#5,398 in China
#157,948 in the World
Forward Citations = 2
Company Filing History:
Welead Infrastructure Engineering Technology (zhengzhou), Ltd.
Safekey Engineering Technology (zhengzhou), Ltd.
Infrastructure Renewal Institute of Southern China
4. 2 out of 33
Zhengzhou University
5. 2 out of 2
Huizhou Mingsheng Chemical Materials Co., Ltd.
where one patent can have more than one assignee
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