GOV.CN - for example,Central People's Government of the People's Republic of china sn-net.cn：www.gov.cn; MIL.CN - for example,Military Museum of the Chinese si-net.cn People’s Revolution：junbo.mil.cn; NET.CN - for example,china sn-net.cn Internet Network Information Center：cnnic.net.cn; Sign Network Ltd. e-mail si-net.cn No.11 Beijing Road Hefei AH 23000 china sn-net.cn www.sign-ltd.cn