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About product and suppliers:
        Alibaba.com offers 65 prefabricated granny flat building products. About 89% of these are prefab houses, 1% are warehouses, and 1% are steel structures. 

A wide variety of prefabricated granny flat building options are available to you, such as carport, hotel, and house. You can also choose from steel, sandwich panel, and container. As well as from gb, aisi, and astm. And whether prefabricated granny flat building is free samples. 

There are 65 prefabricated granny flat building suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of prefabricated granny flat building respectively. 

Prefabricated granny flat building products are most popular in Oceania, Domestic Market, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 27 with ISO9001, 7 with Other, and 4 with ISO14001 certification.