Products:Traffic Bollard,Road Bollard,Car Park Bollard Material:ductile iron/grey iron Finishing: ... ,ductile iron bollard,parking bollard,Cast Iron Bollards and Barriers,Traffic Bollard,Road Bollard,Car Park Bollard2.Material:ductile iron casting, grey ... street),hard shoulders and parking areas, for all types of road vehiclesWe also can manufacture as per customer's thechnical data ...