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About product and suppliers:
        Alibaba.com offers 4,290 prefab units products. About 62% of these are prefab houses, 1% are water treatment. 

A wide variety of prefab units 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 4,290 prefab units suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of prefab units respectively. 

Prefab units products are most popular in Southeast Asia, Africa, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 1,429 with ISO9001, 1,205 with Other, and 303 with ISO14001 certification.