Hello, Li Ning's trademarks are all high-oxygen nano-ion technology and high-density stitching. There will never be any trademark separation (unless it is artificially cut), and there will never be a hand-attached trademark. Authentic Li Ning has certificate number and P2B verification code. You can send the attached P2B verification code to1258016801365 through your mobile phone to check the authenticity. If there is no formal and obvious trademark, Li Ning Hong Guang anti-counterfeiting mark, certificate number and P2B verification code, it belongs to imitation or forged version. Please pay attention.