NMKV Co., Ltd. is a joint venture company between Nissan Motor Co., Ltd. and Mitsubishi Motors in the Japanese market to design, develop, and manufacture kei cars under Nissan and Mitsubishi brands. The company currently produces Mitsubishi eK, Nissan Dayz, Mitsubishi eK Space and Nissan Roox for the domestic market. NMKV stands for Nissan Mitsubishi Kei Vehicle. Despite that, the abbreviation was never announced officially by the company.