Northern Heavy Industries Group Co., Ltd., located in Shenyang, Liaoning Province, used to be the pride of new China's heavy machinery manufacturing field and made great contributions to new China's heavy industry. However, in the face of cruel market competition and complex industrial changes at home and abroad, this old enterprise has gradually lost its original market advantages and lost a large number of talents and technology.

After the implementation of the mixed reform, NHI quickly adjusted its business strategy, adjusted its organizational structure and activated the endogenous power of the enterprise under the guidance of market demand. At the same time, strengthen enterprise technological transformation, new product research and development and talent introduction. Through the mixed ownership reform, the operating revenue and new orders of NHI in 2021 increased by 442.8% and 427.1% respectively year-on-year.

Mi Zhongyi, deputy to the National People's Congress, started working in NHI in 1983. As an old employee of the enterprise, he has witnessed the reform and development of the enterprise for decades.