How can China break US dollar's dominance?

With the internationalization of the RMB progressing on schedule, it is predicted that at least 40 percent of the trade volume of 2015, or about 100 million U.S. dollars, between China and Africa, which is equal to the total trade volume of 2010 between China and Africa, will be settled with RMB, according to the lasted research report issued in the beginning of September by the largest bank of Africa Standard Bank Group. http://english.peopledaily.com.cn/90780/7600231.html