Business scope: Professional Grade B,
Technology Transfer,
Photoelectric,
Environmental Engineering,
Electrical Engineering Installation,
Material Import And Export,
Thermal Engineering,
Professional Grade A,
Professional Grade A,
Electronic Systems Engineering,
Technical Advisory Services,
Construction,
Urban And Rural Planning Preparation Level B,
Military Industry,
Military Industry,
Instrument Engineering,
Air Pollution Prevention And Control Engineering,
Class B,
Class B,
Class B,
...