it is a provider of automatic recognition technology products and solutions for face recognition. the products cover: code scanning module, qr code module, barcode reading engine, qr code scanning head, qr code scanning module, fixed barcode scanner, industrial fixed code scanning gun, qr code scanning equipment and other barcode recognition and industrial vision products. shenzhen visionda is a national high-tech enterprise specializing in providing products and solutions such as qr code automatic recognition hardware, facial recognition equipment, digital access control and attendance systems, internet of things platforms, etc.