Han Feixing (韩飞行), also known as Zha Ka (扎卡), is a Chinese actor and professional boxing coach. From 1993 to 2002, he trained and competed in many countries including the Philippines, Thailand, Russia, and the United States. Starting in 2008, he was a 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.
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