CSDN网站简介：
CSDN（www.csdn.net）创立于1999年，是中国最大的中文IT知识服务集团，专注IT信息传播、技术交流、教育培训和专业技术人才服务。拥有超过1800万注册会员、10000名CTO、50万注册企业及合作伙伴，全球中文网站排名第27位。

旗下拥有：

全球最大中文IT技术社区：www.csdn.net；
中国最具影响力、最权威IT专业技术期刊：《程序员》杂志；
中国移动开发者社区：www.cmdn.net ；
程序员深度交流社区：www.iteye.com；
中文IT技术学习平台：乐知教育；
中国最大高级技术管理者交流平台：CTO俱乐部。
长期以来，CSDN以技术视角关注IT产业发展，以深度分享推进产业技术成长，致力于弘扬技术创新，倡导分享、 开放和协作，努力打造高质量的中文IT技术交流平台。

CSDN is the largest Chinese IT knowledge group in China, focusing on IT knowledge transfer, technology events, professional training and recruiting services. Founded in 1999, CSDN currently has more than 18 million registered users (including 10,000 CTOs and hundreds of thousands of architects, team leaders, and project managers) and 500,000 registered companies. CSDN ranks 27th among all Chinese websites and is the No.1 website targeted at technical professionals. CSDN owns several leading brands in the ITcommunity:

The largest online Chinese IT technology community in the world: www.csdn.net;
The most influential and authoritative IT professional journal in China:Programmer Magazine;
Chinese mobile developers community: www.cmdn.net;
Leading senior software developers community: www.iteye.com;
Leading Chinese IT technology learning platform: LeZhi Education;
The largest IT managers community: CTO Club.
All the time, CSDN is focusing on observing the IT industry from a technical perspective, enabling information-sharing of IT technology development, and promoting ideas of innovation, communication, openness and collaboration. We are dedicated to create a high-quality Chinese IT technology community.