
According to the Order of Information Industry Ministry of People's Republic of China and Internet-related Management Practices, non-commercial sites can not offer electronic bulletin board service(BBS). In order to comply with relevant state laws, from now on, Road and Bridge site forum will be temporarily closed. Please understand this inconvenience. Subject to be in line with legal requirements, we will work through relevant procedures, to re-open the forum, please be patient.

Group ISO9001: 2000 quality management system standards have now been transferred Edition for ISO9001: 2008 quality management system standards, and the relevant information is posted at vocational training column, please study carefully to achieve continuous improvement of the three systems.