LONDON, Jan. 25, 2018 /PRNewswire/ — Ms. Wan Jia, CEO of Guiyang Blockchain Financial Co. Ltd. and founder of the ACChain Digital Asset Smart-Ecosystem, has been invited to be a presenter at the 2018 Davos winter event at 12:30 p.m. on January 23rd. Ms Wan Jia will present a detailed…
