David Zhang（张汉清） is the President and General Manager of Golden Spring Internet of Things Inc., where he has been serving since 2004. Throughout his career he has been instrumental in designing innovative high-end contactless smart cards and smart card core technology and has become widely adept at applying cutting-edge technology into the design of new products and solving technical problems. Under David’s leadership, Golden Spring Internet of Things Inc. became successfully listed in the New OTCBB in Shenzhen Stock Exchange, becoming the only RFID high-end smart card equipment enterprise entering the capital market. David has a B.Sc. in Instrument Precision from Tianjin University, China.