Long lifespan: Corrosion-resistant, pollution-free, maintenance-free, and can be used for over 50 years.

2. High Load Capacity: Exceeds that of other products, with high load-bearing pressure, preventing accidents such as breakage and vehicle falls.

3. Anti-theft: Standard anti-theft design, new anti-theft design. The manhole cover and ring are connected with high-strength bolts, integrated design.

4. Anti-jump Lid: Equipped with vibration-proof rubber rings, ensuring no noise is produced when vehicles pass by, meeting environmental protection requirements.

5. Excellent safety: The manhole cover is tightly sealed, preventing any jumping, rocking, squeaking, or shifting, ensuring noiseless and reliable safety.

6. Aesthetics: Enhance urban environment, apply black asphalt externally to ensure the product has a glossy and tidy appearance.

7. Anti-Slip: The surface of the well cover features anti-slip patterns, increasing friction to prevent slipping due to rain, snow, or ice cover.