1.Standard:ISO9001:2008 ,EN124 2.Size:250mm~1200mm 3.Loading abality:A15,B152,C250,D400 4.Design:as customer's requirement. Zibo Best Energy-saving Materials Co., Ltd was established in 2004, which is one of the largest composite manhole cover manufacturer in China,...

High load capacity---Its higher load capacity than other products Free design---t can be designed according to customers' demad 1.No recycle value: The composite manhole covers' popularity will contribute to prevent manhole cover-stolen problem thoroughly.2.High load...