2026 New Fiberglass Manhole Cover 900mm Round D400 Resin Composite Manhole Cover Lockable

2026 New Fiberglass Manhole Cover 900mm Round D400 Resin Composite Manhole Cover Lockable. 100% Waterproof Design: Unique rubber hollow design with EPDM material and double sealing rings for complete water tightness. UV Resistance & No Fade: Exclusive recipe ensures no fading for more than 3 years, solving the fading problem of SMC products. High Load Capacity: Meets EN124 D400 loading class standard, suitable for road traffic safety applications. Long Service Life: Durable construction ensures a service life exceeding 30 years under normal conditions. Anti-Slip Surface: Special surface design provides excellent anti-slip properties for enhanced safety. Flexible Customization: Accepts OEM and ODM services with flexible customization options for color, loading, and usage. Certified Quality: Products are certified with ISO and CE standards, ensuring high quality and safety compliance.