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About product and suppliers:
        Alibaba.com offers 11,781 cast iron manhole covers products. About 84% of these are cast & forged. 

A wide variety of cast iron manhole covers options are available to you, such as iron, stainless steel, and steel. You can also choose from free samples, paid samples. 

There are 11,781 cast iron manhole covers suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of cast iron manhole covers respectively. 

Cast iron manhole covers products are most popular in Africa, Eastern Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 5,156 with ISO9001, 2,136 with Other, and 1,186 with ISO14001 certification.