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About product and suppliers:
        Alibaba.com offers 1,689 joining tube products. About 1% of these are plastic tubes, 1% are packaging tubes, and 1% are steel pipes. 

A wide variety of joining tube options are available to you, such as paper, aluminum, and plastic. You can also choose from ce, c-tick. As well as from structure pipe, hydraulic pipe. And whether joining tube is 20#, api j55, or q235. 

There are 1,689 joining tube suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of joining tube respectively. 

Joining tube products are most popular in South America, Africa, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 833 with ISO9001, 209 with ISO14001, and 178 with OHSAS18001 certification.