[IT Tech Packaging, Inc. Announces Fourth Quarter and Fiscal Year 2018 Financial Results Company to Host Earnings Conference Call on Friday, March 8, 2019, at 8:00 am ET BAODING, China, March 7, 2019 /PRNewswire/ -- IT Tech Packaging, Inc. (NYSE MKT: ITP) (“IT Tech Packaging” or the “Company”), a lea]