... Bollard, Material:ductile iron/grey iron Finishing:Black forge colour paint 1.Name:Cast Iron Bollard,ductile iron bollard,parking bollard,Cast Iron Bollards and Barriers ... ,Car Park Bollard,Hydraulic Bollard,Bollard Cover2.Material:ductile iron casting, grey iron cast3.Quality system obained ISO9001:20006.Type:round, square ...