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HEFEI, May 23 (Xinhua) -- The ninth China (Wuhu) Popular Science Products Exposition opened on Thursday in the city of Wuhu, east China's Anhui Province.
The three-day expo covers 36,000 square meters, which is divided into three major exhibitions including popular science products and robots.
A total of 390 companies and other institutions from France, Germany, Canada and other countries attended the expo.
Since being first held in 2004, the expos have attracted more than 2,200 companies from around the world and over 1.6 million participants, which exhibit nearly 30,000 popular science products.
