BEIJING, Apr.1 (China Daily) -- Three inventions by primary and middle school students in Fangshan district were transferred to companies at the 2016 Fangshan Science and Technology Festival last week. The developers were awarded 10,000 yuan each. The event showcased not only products from high-tech companies, but also more than 100 inventions by local students in the district who have been granted 109 utility patents. A forum for science teachers was also held during the festival.