About Zha Ka
Chinese actor and professional boxing coach. From 1993 to 2002 he trained and competed in the Philippines, Thailand, Russia, the United States and other countries. From 2008 WBO World Boxing Organization referee. From 2009 to 2010, he held academic exchanges at the Floyd Mayweather Boxing Gymnasium , the four major world boxing organizations (WBA, WBC, WBO, IBF) in Las Vegas, USA , and joined the coaching team.