HPJ [Highpower International] 8-K: Highpower International Reports Unaudited Second Quarter and First
[Highpower International Reports Unaudited Second Quarter and First Half 2018 Financial Results SAN DIEGO, CALIFORNIA and SHENZHEN, China, August 13, 2018 /PRNewswire/ -- Highpower International, Inc. (NASDAQ: HPJ) ("Highpower" or the "Company"), a developer, manufacturer, and marketer of lithium ion]