Ronn Motor Group enters into JV to manufacture hydrogen buses in China February 27, 2019 | North America Company News United States-based Ronn Motor Group has entered into a joint venture (JV) with China-based Durabl (Jiangsu) Motors Company Limited and Jiangsu Hanwei Automotive Company Limited to develop, manufactur... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password