It has energy, province, the use of large, all-weather, pollution and safety features, is a green transportation system, consistent with sustainable development principles, particularly suitable for large and medium cities.

It has an energy-efficient, cost-effective, use the volume, all-weather, pollution-free, secure, and other features are green and environmental transport system, consistent with the principles of sustainable development, particularly to the big cities.

It has the energy conservation, the province, using the quantity in a big way, all-weather, does not have characteristics and so on pollution security, is the green environmental protection transportation system, conforms to the sustainable development principle, adapts specially in the big or media

It has to, the use of a large amount of energy, and around-the-clock, pollution-free and safe, and other characteristics, is a green transport system, in line with the principles of sustainable development, particularly suitable for large and medium cities.

It has energy, province, the use of large, all-weather, pollution and safety features, is a green transportation system, consistent with sustainable development principles, particularly suitable for large and medium cities.