1966

In 1966, it relocated from Shanghai and established the "Southwest Instrument Parts Factory"

The company has been renamed as "Sichuan Instrument 22nd Factory"

1988

1997

The company has been renamed as "Chongqing Chuanyi 22nd Factory"

Chongqing Chuanyi 22nd Factory was restructured and established as Chongqing Chuanyi Precision Machinery Co., Ltd

2003

2004

The enterprise has been rated as a "Chongqing High tech Enterprise"

The company's annual sales revenue has exceeded 100 million, reaching its highest point in history

2020