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About product and suppliers:
        Alibaba.com offers 4,904 composite block products. About 1% of these are blocks, 1% are sandwich panels, and 1% are engineered flooring. 

A wide variety of composite block options are available to you, such as free samples, paid samples. 

There are 4,904 composite block suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of composite block respectively. 

Composite block products are most popular in North America, Southeast Asia, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 2,284 with ISO9001, 1,168 with Other, and 582 with ISO13485 certification.
        
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