r&d and manufacture
project contracting
trade and services
- power engineering
- automobile engineering
- factory construction projects
- communications and transportation engineering
- ports, harbors and shipbuiding engineering
- environmental engineering
- telecommunications engineering
- agricultural engineering
- light & textile industry engineering
- building materials engineering
- logistics engineering
- new energy engineering
- cultural, ediucational, public health & residential engineering
- engineering construction
- civil architecture engineering design
- engineering prospecting
- engineering supervision
