TIANJIN, April 24 (Xinhua) -- A total of 151 projects worth 69 billion yuan (10.27 billion U.S. dollars) have been inked at a trade fair in north China's Tianjin Municipality.

Among the projects signed at China Tianjin International Fair for Investment and Trade, 12 were related to high technology like artificial intelligence and biotechnology, with an investment of 1.68 billion yuan, according to the event organizer.

Commodity sales during the trade fair amounted to 100 million yuan.

The China Tianjin International Fair for Investment and Trade was held from April 18 to 22, themed on opening-up, cooperation and high-quality development.

Over 2,400 enterprises from 36 countries and regions attended this year's trade fair, attracting around 130,000 visitors.