Guan introduced the situation in detail.

Guan is a criminal defense lawyer in China.

In 2005, he was elected as a member of the lawyers group of famous contemporary China jurists.

From 2006 to 2008, he was selected into the China Lawyers Yearbook.

In 2008, he was elected as a criminal defense lawyer in China by Law Publishing House.

In 2009, he co-authored the book Sincerity and Justice with other lawyers.

20 10 co-authored with other lawyers "A Record of Defending Excellent Lawyers in China" (published by the Supreme People's Court Publishing House).

20 10 was selected as "Top 100 Lawyers in China".