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About product and suppliers:
        Alibaba.com offers 1,045 granny flat house products. About 91% of these are prefab houses, 1% are metal building materials. 

A wide variety of granny flat house 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 free samples, paid samples. 

There are 1,056 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, Southeast Asia, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 558 with ISO9001, 196 with Other, and 52 with ISO14001 certification.