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About product and suppliers:
        Alibaba.com offers 1,020 granny flat house products. About 93% of these are prefab houses, 1% are magnesium oxide boards. 

A wide variety of granny flat house options are available to you, such as carport, hotel, and house. You can also choose from sandwich panel, steel, and container. As well as from free samples, paid samples. 

There are 1,034 granny flat house suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Lithuania, and Australia, which supply 98%, 1%, and 1% of granny flat house respectively. 

Granny flat house products are most popular in Oceania, Domestic Market, and Africa. 

You can ensure product safety by selecting from certified suppliers, including 714 with ISO9001, 205 with Other, and 51 with ISO14001 certification.