Zibo Best Energy-Saving Materials Co., Ltd. was established in 2004, which is one of the largest composite manhole cover manufacturer in China, producing and export composite manhole cover, water grate, trench cover, telecom inspection cover and frp grating. Our products are strictly in accordiance with the European standard and national standard. Till now, our competitive manhole cover not only have good market in domestic, but also owned a large overseas market with a high reputation.
The features of composite manhole cover
1.Low noise: manhole cover and the frame fit well, it solve the problem of the vehicle by the noise.
2.Fall prevention: this manhole cover design for steel frame,bearing capacity is strong.
3.Prevent slippery: covering non-slip texture clear, increase the friction, prevent because of the rain, snow, ice covered pedestrian slip.
4.Material: high quality by SMC new material and improve the density of the product, make the product has strong compressive. Bending, impact resistant, heat resistant, cold resistant, Corrosion resistant, acid and alkali resistant, aging, not easy to deformation, etc.
5.Well sealed: it can be used hermetically, and effectively prevent those poisonous gases leaking out from cesspool.
6.No any jangle: There is neither jangle nor rebound when cars pass through.
7.This cover keeps their excellent properties at high continuously temperatures 150℃.