Part Five: Iron and steel works and cement works on the largest scale in order to supply the above needs

Since 1979, the steel industry in China has quadrupled its output. In 1996, the output of crude steel surpassed 100 million, ranking the first in the world for the first time. In 2010, the output of crude steel reached 630 million; the output of 10 kinds of non-ferrous metal reached 31.35 million tons. The output of copper accounted for more than 20 percent of world total. The output of aluminum, lead and zinc each accounted for one third of the world total.

The newly-completed Hanyang (now Wuhan) Iron and Steel Company in 1906. [Photo/All-China Federation of Returned Overseas Chinese and China Intercontinental Press]

Workers operate at a factory of a car and bridge manufacturer at a high-tech industrial park in Xinghuaying, Kaifeng, Henan province. [Photo/All-China Federation of Returned Overseas Chinese and China Intercontinental Press]

At the production base of special steel in Shangdong, an electric strove is in operation. [Photo/All-China Federation of Returned Overseas Chinese and China Intercontinental Press]

Workers take a final test on the Z6350-373 circular seam welding assembly line, which is manufactured by Qier Machine Tool Group Co Ltd for Capital Aerospace Machinery Company to assemble heavy-lift rockets. [Photo/All-China Federation of Returned Overseas Chinese and China Intercontinental Press]

During the 8th China International Aviation & Aerospace Exhibition (also known as Airshow China) in Zhuhai in 2010, Commercial Aircraft Corporation of China Ltd signed agreements with Air China Co Ltd and others to sell the C919, China's first self-developed jumbo jet. Commercial Aircraft Corporation of China Ltd got 100 orders for the C919. [Photo/All-China Federation of Returned Overseas Chinese and China Intercontinental Press]