34 Utility and 29 Design Patents
#8 in Qinhuangdao
#2,620 in China
#72,280 in the World
rank by utility patentsForward Citations = 40
Company Filing History:
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#8 in Qinhuangdao
#2,620 in China
#72,280 in the World
rank by utility patentsCompany Filing History:
Get your Inventor Badge Today