China Precision Engineering Institute for Aircraft Industry (CPEI) was founded in 1961. It is a comprehensive institute specialized in applying technique research. CPEI has nearly 800 employees; Half of them are technicians, of which about 120 are professors or senior engineers.

CPEI is mainly engaged in the exploration and application of the manufacturing technology for air-borne equipment, and in the development of civilian dedicated machining equipment, of precision measuring technology and equipment, and of automatic production line and associated equipment, etc. The main research and development activities of the institute are:
Precision/ ultra- precision machining technology & equipment.
Precision testing technology & equipment
Environmental experiment technology & equipment
Digital metrology instrument& precision components
Nonstandard equipment design & manufacture

Through 40 years development, CPEI is now very famous for its precision/ ultra-precision machining technology & capability in China. It has provided various technology and new products, machining & testing equipment for a wide range of industries, such as automobile manufacturing, ship-building, communication, machinery, electronics, optics industry, and new material industries. It has also established a close relationship of technical exchanges and cooperation with many institutions, universities and enterprises domestically and internationally.

With high-tech advantage and satisfactory services, CPEI wishes to unfold widely technical and economical cooperation with customers from both home and abroad, as well as to offer wholehearted different kinds of new technologies, products, and good-after services for customers.