Product Name: High Quality Heavy Duty SMC Anti-Steal Gully Grate Composite Water Grate FRP Rectangle Locking Gully Grate Fiberglass Ditch Gully Grate for Drainage System Model NO.: Anti-Steal Gully Grate 500mm x 340mm D400 Technique: Fiberglass Manhole Cover Certification: ISO Gully Grate: Class D400 Heavy Duty Gully Grate: Surface Anti-Slip Anti-Steal Water Grate: SMC Material Composite Water Grate: Lockable Bolts and Lock Rectangle Locking Gully Grate: Anti UV Rectangle Gully Grate: 500mm X 340mm D400 Ditch Gully Grate for Drainage System: for Drainage System FRP Gully Grate: Anti UV, Anti-Corrosive SMC Gully Grate: Anti-Corrosive Trademark: OEM or Our Logo Transport Package: Wooden Pallet Specification: BS EN124 1994 Class D400 Origin: China HS Code: 3925900000 Product Description High QualityHeavy DutySMC Anti-Steal Gully GrateComposite Water GrateFRP Rectangle Locking Gully GrateFiberglass Ditch Gully Grate for Drainage SystemSMC Composite Watertight Inspection Manhole CoverBS EN124 1994 Class C250; D400FeaturesSMC Composite Manhole Cover Applications:GasWaterMain RoadTelecommunicationsPetrochemical InstallationsUnderground Electrical InstallationsAccess to Pipe work Chambers and Petroleum Storage TanksDrainage / Telecom / Municipal EngineeringWhat is SMC Composite Material ?SMC is the short form of Sheet Mould Compound.