
High Quality Petrol Station SMC Manhole Cover 800mm Round D400 Factory Direct Heavy Duty SMC Manhole Cover. Exceptional Durability: Service life exceeds 30 years with UV resistance and no fading for over 3 years. 100% Waterproof Design: Features unique rubber hollow design with EPDM material and double sealing rings. Lightweight Composite: Optimized structural design and material composition for easy handling. Anti-Slip Surface: Specially designed surface ensures safety in road traffic applications. D400 Load Capacity: Meets EN124 D400 standard suitable for heavy-duty road traffic. Customization Support: Accepts ODM and OEM with flexible customization options. Quality Certification: ISO and CE certified with 100% finished product inspection.