- Service Field
Core Fields: Electricity (thermal power, hydropower, wind power, and solar energy), construction (highways, railways, bridges, tunnels, etc.), auto mechanics, law and finance, IT, medical care (medical equipment and medicine), geology and mining and petrochemical industry
Other Fields：
Technology：Electronic, communication, environmental protection, chemistry, energy, metallurgy, textile, clothing, aerospace, aviation, biochemistry, foodstuff, agriculture and animal husbandry, and forestry
Finance and Economics：Bonds, insurance, financial affairs, business and management
Social Sciences：Literature, art, sociology, history and religion