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A15 level Bearing about 1.5 tons and is used in areas where motor vehicles or non-motor vehicles are completely prohibited
B125 level Bearing about 12 tons, used for sidewalks, pedestrian areas, non-motorized lanes, small car parking lots and other areas
C250 level Bearing about 25 tons and is used in residential areas, inner streets and other areas where only a small number of light motor vehicles or cars drive
D400 level Bearing about 40 tons, it is used for urban motor vehicle roads, roads, high-grade highways, expressways and large vehicle parking lots for various types of vehicles
E600 level Bearing about 60 tons, used for freight station, logistics area, wharf, airport and other areas
- Light weight, single unarmed can be open, convenient down hole maintenance!
- Sewer internal environment complex filled with various chemical substances, ductile iron does not suffer chemical corrosion, service life more than 30 years
- Cover and base frame integrate connection, hinge-type opening, sledgehammer hit not break it, completely anti-theft.
