Complex sentence: Wang obtained his bachelor's (in 1982) and master's (in 1985) degrees both in polymer science from the East China University of Science and Technology, and his doctorate from the University of Liège, Belgium in 1993.
Split into simpler sentences: Wang obtained his bachelor's (in 1982) and master's (in 1985) degrees both in polymer science from the East China University of Science and Technology. In 1989, Wang went to study in Belgium, and obtained his doctorate from the University of Liège, Belgium in 1993.