Rain Olivier is widely used in the places of municipal roads, residential areas, schools and gardens of different, its use effect is very good. Is used in hot dip galvanizing, strong corrosion resistance, without the need for special maintenance, also do not need frequent replacement.
Shandong ductile iron manhole cover, its biggest feature is the design of anti-theft function。 The lid and the frame are all hinged by dead ends, which is more convenient to open and safer to use。 In addition, it has a high strength and toughness, and its strength is far greater than cast iron, can be used in a number of relatively large load place。
Rain Olivier is so good, but you care about its cleanup? Rain Olivier not cleaned in time will cause the blockage problem.
This is mainly because the usual management is not strict, the cleaning is not in place to cause, because there is planning and construction problems, water drainage ability is limited, sometimes encountered heavy rain when the staff will be in deep water to dredge rain Olivier and drainage sewage outfall effect however, this is very dangerous, sometimes the water too fast will put people directly into the sewer might also do。
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