Aoxing Pharmaceutical Co. Inc. appointed Guoan Zhang to the position of CFO.
Zhang replaces Zheng Chen, who has resigned as CFO.
Zhang has been the company's senior vice president of finance since June 2010 and chief accounting officer since March 2010. He has also served as Aoxing's acting CFO from July 2012 to December 2014 and Nov. 30, 2015, to Jan. 27, 2016.