Beijing Extraordinary Creation Educational Science and Technology Center
Our center already attend the Invention and New Product Exposition (INPEX) in pittsburgh for 2 years,and attend the International Trade Fair (IENA) in nurnberg for 4 years.These two exhibition are one of the world's top three inventions.
Automatic pitching machine utilizes the catapulting structure to launch ping-pong balls, and the ultrasonic sensor is simulated as the automatic weapon tracking system in war.
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