HANNOVER, Germany, April 22 (Xinhua) -- Hannover Messe 2024, Germany's leading industrial trade fair, kicked off on Monday with a clear emphasis on carbon-neutral production and hydrogen fuel cells.

The exhibition, focused on "energizing a sustainable industry," runs until Friday and attracted almost 4,000 exhibitors from around 60 countries and regions. Among them, Chinese exhibitors accounted for 30 percent of participants, second only to the host Germany, according to the organizer.