In April 2000, the first BS7799 seminar about this information security management system was held in xiamen, China. during this seminar Norwegian specialists gave a lecture about BS7799 and its most recent developments. Later BS7799, ISO 17799 and ISO 27001:2005 were spread in China. Some Chinese enterprises are trying to gain certification, at the end of 2004, 11 enterprises,including Huawei Technologies Co. Ltd, Beijing Mobile Communication Co Ltd, Mobile date Center and others, won the certification issued by BSI. In April 2006, Sino COM Software Group Limited won the first ISO 27001:2005 certification