Nine Dragons Paper Holdings Ltd.

With a net worth of over $4 billion dollars, Zhang Yin is currently the fourth richest person in China. She is the founder of Nine Dragons Paper Holdings Ltd. She made her fortune in the business of paper, recycling it to be exact. Her company buys scrap paper from the United States and Europe and then re-purposes it into cardboard. They use the cardboard to package Chinese goods and export it right back to the US and other western countries.