QR code. The products produced by regular manufacturers all have QR codes or bar codes, and there is a QR code label under the tongue in Nike shoes. It needs professional machines and decryption methods to scan the product information, which is a QR code. NIKE, headquartered in Portland, Oregon, USA, produces a wide range of sporting goods, such as clothing, shoes, sports equipment, etc. NIKE is a world-famous sports brand, which originally refers to the Greek goddess of victory in English and translated into Nike in Chinese.