NingBo Create New Material Co., Ltd.Developed manhole cover is made of super high strength composite materials consisting of unsaturated resin, enhanced fiberglass, inorganic filling.The product is main widely used for watercourse. The composite material manhole cover has many advantages.Such as, excellent mechanical capability, high carrying capacity, good toughness, oppugh-resistant, erodent-resistant, anti-chemistry, anti-aging.Second, the product is made of heat fixity composite materials, with no reinforced steel bars, no recoverable valuse, so it radically solves the stolen problem.Third, it guards against for bounce, sound and shift instead of cast iron manhole cover.Last, it is light, convenient install and make your city more beautiful, because we can produce them as our customers design on color, drawing, etc. It's carrying capability is 200 KN~400KN.