Be widely used in Inspection wells of power,telecommunication,

mobile communication,fuel

Sewer,gas pipes,gas station,chemical bases,real estates,

urban arteries,high-grade highways,expressways,

freight transport piers,airports,etc.

Weight type: Applicable to urban roads and fast lanes.
normal type: Applicable to Driveway
Lightweight: Applicable to non-motor vehicle lanes, residential quarters, park squares, 

factories, schools, hospitals, green belts.

Classification and coloring according to the requirements 

of each city project setting.