Sogou Inc, a search engine arm under Internet company Sohu.com Inc, teamed up with Microsoft on Thursday by launching an English language search service to further its presence in the country's online search market.

With the aid of the global search technology provided by Microsoft's engine Bing, Sogou said in a statement that it can offer the latest English-language news, information and academic data to users.

Industry leader Baidu Inc, which reportedly holds more than 70 percent of the market, is experiencing a controversy over its paid listing system.