HPJ [Highpower International] 8-K: (Original Filing)
[Highpower International Preliminary Unaudited 2017 Fourth Quarter and Year End Financial Results SAN DIEGO, CALIFORNIA and SHENZHEN, China, March 12, 2018 /PRNewswire/ -- Highpower International, Inc. (NASDAQ: HPJ) ("Highpower" or the "Company"), a developer, manufacturer, and marketer of lithium io]