1, Sina is a leading online media and value-added information service provider serving Chinese communities in China and around the world. It has a number of regional websites, taking serving the Chinese in Greater China and overseas as its own responsibility, and providing users with network services through its five major business lines. Main products and services: Sina news, wireless value-added services, blogs, podcasts, email, UC, love search, etc.

Founder: Wang Zhidong was established:199865438+February 2.

2. Sohu, the largest portal in China, is the leading portal in China, and the preferred portal for Internet users in China. Together with Sina, Netease and Tencent, Sohu has become the "four major portals in China". Sohu's huge community system includes China's leading portal Sohu, China's largest youth community, China's largest online game information and community website, Beijing's most influential real estate website, China's leading mobile WAP portal, the most advanced technology search sogou and China's leading map service website. Main products and services: Sohu News, sogou Input Method, Alumni Record, Real Estate Network, Map World, etc.

Founder: Zhang Chaoyang Date of establishment:1Feb. 3, 998.

3. Tencent (QQ) is one of the largest Internet integrated service providers in China and one of the Internet enterprises with the largest number of service users in China. Tencent has been adhering to all the business philosophy based on user value for more than ten years, and has always been in a state of stable and rapid development. At present, the company's main products are IM software, online games, portals and related value-added products. Main products and services: instant messaging, browsers, computer housekeepers, mailboxes, download tools, dictionaries, etc.

Founder: Ma Date of establishment: 1998 1 1.4.

Netease Netease is the main portal website in China, and together with Sina, Sohu and Tencent, it has become the "four major portals in China". Netease has always maintained a leading position in the development of Internet applications, services and other technologies in China. 1997 since its establishment in June, Netease has been deeply welcomed by the majority of netizens with its advanced technology and excellent service, and has been selected into the top ten websites of China Internet Network Information Center (CNNIC) twice. At present, it provides online games, e-mail, news, blogs, search engines, forums, virtual communities and other services. Main products and services: Netease content channel, Netease community, e-commerce, instant messaging (Netease bubble), online games, e-mail, etc.

Founder: Ding Lei was founded in June 1997.