It was named "Fushun Excavator Factory" on July 15, 1960,to become the first mining company in China Machine professional production plant.
In 1967, according to the instructions of the State Council in 1964 to support the third line construction, it was decided to build in Luzhou City,Sichuan Province.
Since 1965, the Changjiang excavator factory has successively relocated 273 sets of equipment from the old factory and transferred a total of personnel 1357.
In 1977, because the old plant site is located in the coal mining area, the construction of the new plant site of Shijiagou was started, and in 1987 Complete and relocate.
In July 1977, wd1200 excavator was successfully trial manufactured. At that time, it was the largest excavator in China.
In 1978, it was transferred to the State Construction Commission, and in October of the same year, it was transferred to the Liaoning Provincial Construction Commission, which is a provincial plant enterprise.