What is the relationship between Hua Shu and broadcasting?

Two are a family. China Digital Television and China Digital Television Media Group (hereinafter referred to as China Digital Television Media Group) is a large-scale state-owned cultural media industry group jointly invested by Zhejiang Radio and Television Group, Hangzhou Wenguang Group and Ningbo Radio and Television Group. It is the first national new media operator in the development of new media industry in China, and the largest and only cable network operator operating across regions in China, with more than 20 million cable TV home users. Its subsidiary "China Digital Media" is the listed company with the highest market value in China broadcasting industry.