there is 5 /7 years engineering grade,
high-intensity grade , number plat grade,Advertisement grade , color is optionals

1)raised pavement marker(road stud), 2)highway delineator,3)fencing barrier for highway , 4)traffic sign5) traffic board ,6) lane divider, 7)glass beads used in road reflective marker,8) traffic cone,9) solar traffic facilities, 10)rubber speed hump, 11)road machine etc.