(Bloomberg) -- Hive Hydrogen South Africa is seeking to lure some of Japan’s biggest companies to invest in a $5.9 billion green ammonia project.Most Read from BloombergSenior officials from units of Mitsubishi UFJ Financial Group Inc., Itochu Corp., Mitsubishi Heavy Industries Ltd. and Mitsui OSK Lines Ltd. will visit the proposed site of the plant in Eastern Cape province next week to assess whether...