12 Utility and 1 Design Patents
#27 in Qinhuangdao
#10,519 in China
#328,590 in the World
rank by utility patentsForward Citations = 10
Company Filing History:
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#27 in Qinhuangdao
#10,519 in China
#328,590 in the World
rank by utility patentsCompany Filing History:
Get your Inventor Badge Today