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About product and suppliers:
        Alibaba.com offers 904 hard core tube products. About 24% of these are plastic tubes, 6% are packaging tubes, and 1% are packaging boxes. 

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

There are 903 hard core tube suppliers, mainly located in Asia. The top supplying countries or regions are China, Vietnam, and Egypt, which supply 99%, 1%, and 1% of hard core tube respectively. 

Hard core tube products are most popular in Southeast Asia, Domestic Market, and North America. 

You can ensure product safety by selecting from certified suppliers, including 319 with ISO9001, 42 with Other, and 18 with ISO14001 certification.