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Good Quality OEM ODM En124 Certified SMC Manhole Cover 800mm Round D400 Watertight Lockable SMC Manhole Cover for Petrol Station. EN124 D400 Certified: Meets EN124 D400 loading class standards for road traffic safety. 100% Waterproof Design: Features unique rubber hollow design with EPDM double sealing rings. UV Resistance: Exclusive recipe ensures no fading for more than 3 years. Long Service Life: Designed for over 30 years of service with anti-slip surface. Lightweight Composite: SMC material with aluminum alloy lifting hole for easy installation. OEM/ODM Accepted: Supports flexible customization for color, loading, and usage.