A Hill Region Transformed: Introducing the Pi-Shih-Hang Irrigation System. Hardcover book published by Foreign Languages Press Peking 1979. Text is in English.
With electricity, the local communes and brigades have developed industrial enterprises quickly. This is a machinery repair shop in Hungchi Commune, Huochiu County.
Final inspection of walking tractors before leaving this Lu-an factory.
On-off devices for control of water going through dams. Produced by a Lu-an farm machinery plant, they fill a need for water conservancy projects.
Assembly shop of the Anhwei Tractor Factory in Hofei.