China's Sun Mingming is 7′9′ tall (236cm). He is considered the tallest professional basketball player ever and the world's second tallest man.The nearly-400lb, 25 year old Mingming came to the United States in 2005 and tried for the NBA Draft, but was not selected due to his lack of stamina and mobility.
Another Chinese, Yao Ming, is the tallest active NBA player at 7′6.
