11 Utility and 8 Design Patents
#30 in Qinhuangdao
#11,170 in China
#359,575 in the World
rank by utility patentsForward Citations = 28
Company Filing History:
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#30 in Qinhuangdao
#11,170 in China
#359,575 in the World
rank by utility patentsCompany Filing History:
Get your Inventor Badge Today