* Dec 7, 1999, the main product HRD—512 digital intelligent program-controlled dispatcher was certif
Created Date 10/24/2006	View Numbers 177

Dec 7, 1999, the main product HRD—512 digital intelligent program-controlled dispatcher was certified by Shenzhen Bureau of Science and technology(certificate number: Shen science technology [1999] No116, registered number: 99116);