Yiwu in Zhejiang province has been dubbed "the world's supermarket" for the overwhelming array of goods available there. And this is a part of the magic of this bustling business hub in eastern China. That magic in Yiwu also means that people there dare to dream big, building business empires step by step even from the smallest and seemingly most insignificant commodities such as buttons. So it was for Nie Ziqin, a businesswoman at the Yiwu International Trade Market, who came to the city from Henan province with her father in 2003 at the age of 16, with the dream of becoming her own boss. From peddling handmade masks door to door, to renting a 4.5-square-meter stall devoted exclusively to Halloween products, and later building her own factory and buying commercial property, Nie has fulfilled that dream and become one of the leading merchants in this vast market. "In Yiwu, as long as you are not afraid of hardship and hard work, you can achieve anything," she sai...