A core competence - the authorization of global intellectual property rights, the protection of products and the escort of brands!
U.S. Patent No.:
U.S.PATENE：8，641,220
U.S.PATENE：9，410,691
U.S.PATENE：10，117,299
U.S.PATENE：8，641,220 B1
U.S.PATENE：10，995,943 B2
Chinese patent No.:
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