Back to the Leonardo da Vinci years...

Time：18 Jun,2019

Did you know?

Leonardo da Vinci, the creator of the ball bearing died 500 years ago!
Famous Italian scientist, he drew a small mechanical object taking up the principle of the Egyptian wooden logs. Nearly 422 years after his drawing, the first ball bearing was used in the industry.

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Shanghai Jiaqing Bearing Manufacturing Co. Ltd.

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