By querying Baidu Encyclopedia, I learned that Mr. Sun is the CEO and chairman of Tiancheng Sunshine Film and Television Media Co., Ltd.

Er Ya is a character in Happy Camp in Benshan, played by actor Wang Yue, and is a comedian. It was jointly created by Heilongjiang TV Station and Benshan Media.

"Happy Camp Benshan" was launched in the 800-meter studio of Heilongjiang TV Station on May, 2009 17. Zhao Benshan will present a wonderful performance for the audience with his disciples and other stars. It is reported that this is the first time that Heilongjiang TV has produced a party for a program, and the large-scale use of high-tech film and television equipment has also created the first time for many provincial TV stations in China.