... Easy to install, sturdy, durable Maintenance-free ISO9001-2000 Oter steel fence is designed and made from grating, adopts surface treatment of ... plants, water supply, mining, steel, petrochemicals, airports, terminals and other types of civil construction industries.Types Indication:Fence TypePattern of StructureOTW(253 ... /90/400)CSBW-GSteel Pillar, beam, closed, Iron wire mesh Steel Fence