Jill Group is the Second Machine Tool Group and the predecessor of Jinan Second Machine Tool Works. It has a history of more than 80 years and is affectionately called the Second Machine Tool Plant or Jill by local residents.

Jinan No.2 Machinery Factory Group was established in 1937. After years of development, it has become a large-scale backbone enterprise in the national machine tool industry. It is one of the manufacturers of forging equipment and heavy metal cutting machine with the largest scale, the most complete category and the strongest comprehensive manufacturing strength in China.