Complex sentence: In 2006, Kang was ranked among the richest people in China by Forbes, at the time 39 year old Kang was one of the youngest businessmen to be included on the list, with a net worth of ¥17 Billion CNY.
Split into simpler sentences: In 2006, Kang was ranked among the richest people in China by Forbes at age 39. At the time this made him one of the youngest businessmen to be included on the list, with a net worth of ¥17 Billion CNY.