Brave Cops and Inteiiigent Detective

李冰

This movie accurately describes the accomplishment of chief hydraulic engineer Mr. Bing Li 2500 years ago, and his name is used as the title of this movie.

Answer You Tomorrow

Lu Xi, a female engineer at a locomotive factory who lost her husband during the decade of turmoil, and Feng Shaoheng, a young engineer, are working on the automation of lathes.