The registration number is 28 104709. Recently, China Three Gorges Corporation purchased the domain name of ctg.com.cn through domestic domain name transaction platform-Mingshang.com, and the transaction price was 5 digits. At present, ctg.com.cn's domain name has pointed to the official website of China Three Gorges Corporation.

In recent years, with the development of Internet in China, both well-known large enterprises and small and medium-sized enterprises are using the Internet to expand their territory and upgrade their brands. Domain name, as the "house number" to identify the address on the Internet and the main carrier of enterprise Internet brand, has been paid more and more attention and favor by enterprises, and the news that an enterprise buys domain name at a high price has also been frequently seen in newspapers.