The group is a national large-scale second-tier enterprise with more than 4,000 employees, including 790 professional and technical personnel. It has fixed assets of 504 million yuan and covers an area of 740,000 square meters. It is a national high-tech enterprise and has 13,000 square meters of professional workshops.

The predecessor was a military industrial enterprise whose products were managed strictly in accordance with the quality system of weapons and equipment. At the 50th National Day military parade, Changlin, as a backbone enterprise, participated in the production of the infantry fighting vehicle phalanx and honorably accepted the inspection by the party and the people.

In 1986, Changlin Elevator successfully developed the first escalator; in 1990, Changlin Elevator successfully developed the first vertical elevator. As one of the few elevator R&D and manufacturing units in China, Changlin Elevator was at the forefront of the industry since its establishment.

Jiangxi Tonggu established a large-scale military factory named "State-owned Changlin Machinery Factory" under the direct management of the former Ministry of the Fifth Machinery Industry.

The factory conducts a certain type of product type test for the first time and has the ability to produce a certain type of product in small batches.

In 1974, the factory was basically completed, with mass production capacity for a certain type of product, and the infrastructure acceptance team passed the acceptance.

Hu Yaobang, then General Secretary of the CPC Central Committee, received the then factory party secretary and factory director in Tonggu.