[new Capital: the holding subsidiary is engaged in the design, development and sale of biometric identification and identity authentication products] Xinguodu said on the interactive platform that Zhongzheng Intelligence, the company's holding subsidiary, is mainly engaged in the design, development and sales of biometric identification and identity authentication products. Including face, fingerprint, iris, vein and other biometric algorithms and systems, identity card reading and verification products, witness verification system and intelligent terminals, etc., to provide customers with biometric, identity authentication and information security system solutions.