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About product and suppliers:
        Alibaba.com offers 276 magnesia tube products. About 39% of these are electrical ceramics, 36% are ceramics, and 10% are insulation materials & elements. 

A wide variety of magnesia tube options are available to you, such as free samples. 

There are 276 magnesia tube suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of magnesia tube respectively. 

Magnesia tube products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 16 with Other, 13 with ISO9001, and 6 with ISO14001 certification.