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About product and suppliers:
        Alibaba.com offers 1,515 core bits tube products. About 1% of these are plastic tubes. 

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

There are 1,515 core bits tube suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of core bits tube respectively. 

Core bits tube products are most popular in Mid East, Southeast Asia, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 224 with ISO9001, 95 with Other, and 95 with ISO14001 certification.