1, long life: corrosion resistance, no pollution, maintenance free, can be used for more than 50 years。
2, high bearing capacity, bearing capacity is more than other types of products, bearing pressure, fracture prevention, safety accidents such as vehicle crashes。
3, security: ordinary anti-theft design, new anti-theft design, the manhole cover and the well ring are connected by high strength bolts, integrated design.
4, jump: Wancheng company adopts cover shockproof rubber ring, so that the vehicle passes without noise and meet the requirements of environmental protection.
5, safety: manhole cover tightly combined with no jump, skip, ring and shift phenomenon, no noise, safe and reliable.
6, beautiful: beautify the city environment, outside spraying black asphalt, make the product appearance bright, clean.
7, there is a special non slip: the surface of the manhole cover slip pattern, increase friction, prevent rain, snow and ice covered so that pedestrians slipping。
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