Shenzhen Usenda Digital Technology Limited Company also named Tanda Int,l Electronics Limited is a high-tech enterprise integrating the research and development, production and sales. We are engaged in LCD screens LCD monitors, advertising players all-in-one PCs, DID video wall products etc. Products of our own brand are widely used in highways, railways civil aviation scheduling command centers, army command centers oil fields, factories mines, electric powers water conservancies, prisons border defenses, banks telecom monitoring centers, television stations markets, airports multimedia video conferencing systems, etc.br