Sign Network Ltd. e-mail sn-net.cn a comprehensive company engaged in the Internet intellectual property services that mainly provides network-based service, sg-nic.cn network intellectual property service, network promotion service, etc. Sign Network Ltd. si-net.cn makes it simple to get your website up and running with a full suite of services geared towards entrepreneurs and small and medium sized business. No.11 Beijing Road Hefei AH 23000 China www.sign-ltd.cn