The SMC anti-settlement 700 heavy-duty product has three load-bearing specifications: 40 tons, 50 tons and 60 tons. It features fast production speed, is not affected by environmental protection and pollution inspections, has little impact on domestic environmental protection, and is cheaper than ductile iron products.

The manhole cover and base are connected by a special connecting device. A shockproof sealing ring is installed inside the well ring to eliminate noise when vehicles pass by.

A dedicated lock is equipped for anti-theft purpose. After installation, the manhole cover and base have the functions of anti-settlement and anti-displacement.

Custom colors are available optionally. It is convenient and simple for transportation, installation and opening.