Material quality: The excel in abrasive rubber substrate or the cast iron, may inlay the reflection cat eye, the decadent black interaction caution effect is very good, the width is 30 centimeters may the load-bearing 55 tons, the width be 35 centimeters may the load-bearing 100 tons.
function: The installment in the high speed road, the toll station, the station, the institution colleges and universities, the plot factory district street intersection forces to decrease the vehicle speed, ensures the vehicles pedestrian safety.
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