Zibo Best Energy-Saving Materials Co., Ltd. was established in 2004, which is one of the largest composite manhole cover manufacturer in China, specializing in producing and supplying composite sewer cover, gully grating, manhole chamber and trench cover. Follow standard BS EN124 and have obtained various kinds of certificates.
Round type 650 D400 composite sewer cover
No recovery value, natural anti-theft; according to the needs of customers and equipped with locking structure, the property in the well can be protect the well.
With better weather resistance: the manhole cover can be used normally in the environment of -50℃～ +150 ℃ through scientific formula, advanced technology and perfect technical equipment.
Acid and alkali resistance, corrosion resistance and long service life.
Composite sewer cover usage in different kinds of product, the details as below:
1 infrastructure city construction project: marine and dock rebuilt;
Compare to metal, sheet moulding compound is with remarkable insulation and excellent dielectric performance. Through the improvement of the formula so that the product has excellent anti-static performance.