User name£º

                   Password£º

                          

    You needn't register to use this system if you are an expert. But You must logon according to the username and password which is provided by the Editorial Office. When you receive the user name and password from the Editorial Office, you should update the password at once as soon as possible. If  you forget your user name and password then go to Member Center or inquire of the Editorial Office. 
         E-mail: cjme@mail.machineinfo.gov.cn; Tel: 010-88379907