Ductile Cast Iron Parking Bollard,With black bituminous paint,Anti-rusted. 1.Name:Cast Iron Bollard,ductile iron bollard,parking bollard,Cast Iron Bollards and Barriers,Traffic Bollard,Road Bollard,Car Park Bollard2.Material:ductile iron casting, grey iron cast3.Quality system obained ISO9001:20006.Type:round, square, triangle7.Panit Characteristic: Bitumen ,painting ,water-solubility painting8. ...