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About product and suppliers:
        Alibaba.com offers 983 big block magnet products. About 93% of these are magnetic materials, 1% are fridge magnets. 

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

There are 983 big block magnet suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of big block magnet respectively. 

Big block magnet products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 465 with ISO9001, 107 with ISO/TS16949, and 105 with ISO14001 certification.