Test pattern for high definition television in China.
<a href="https://en.wikipedia.org/wiki/State_Administration_of_Radio,_Film_and_Television" class="extiw" title="en:State Administration of Radio, Film and Television">State Administration of Radio, Film and Television</a>
<a rel="nofollow" class="external free" href="http://www.sapprft.gov.cn/sapprft/module/download/1603081738024789035.pdf">http://www.sapprft.gov.cn/sapprft/module/download/1603081738024789035.pdf</a>