HPJ [Highpower International] 8-K: (Original Filing)
[Highpower International Reports Fourth Quarter and Full Year 2018 Financial Results SAN DIEGO, CALIFORNIA and SHENZHEN, China, March 28, 2019 /PRNewswire/ -- Highpower International, Inc. (NASDAQ: HPJ) ("Highpower" or the "Company"), a developer, manufacturer, and marketer of lithium-ion and nickel-]