China National Machinery Industry Corporation (Sinomach) China National Machinery Industry Corporation is a large state-owned enterprise formerly known as the Ministry of Machinery Industry of China.

For many years, Sinomac has taken the first place among the top 100 companies in China's machinery industry and has more than 70 research and development institutes and currently has more than 130,000 employees, 28 subsidiaries and 14 listed companies under its ownership. It has its own definiteness.