Round Manhole Cover?Size:φ700*30,Website:http://www.zibobest.com, φ700*50Color: Can be customizedMaterial: BMCLoading Capacity: 5tons, 10tonsApplication: Road Facilities, Municipal Engineering and so onAdvantage:1.Environmental protectionWith raw material non-toxicity, it will not influence to user.2.Competitive priceThe price of composite bmc round manhole cover is lower than stipulated standard cast iron ones.3.Light weightThe weight is 1/3 lighter than cast iron ones so that it is convenient to transport, install, rush repair; construct easily and reduce working intensity.4.Nice appearanceBeautiful appearance and rich colors; the cover is not sprayed in surface but painted in whole material so that the color can keep lasted.5.Anti-theftNon-recycle material, anti-theft naturally; the lock attachment can prevent tunnel products from losing, therefore city blackhole can be stopped totally.6.Low noiseHarsh noise and rebounding free when car roll.