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About product and suppliers:
        Alibaba.com offers 978 4tube china products. About 35% of these are stainless steel pipes, 19% are steel pipes, and 1% are machining. 

A wide variety of 4tube china options are available to you, such as astm, aisi, and jis. You can also choose from 10#, 20#, and 45#. As well as from iso, sgs, and api. And whether 4tube china is seamless, erw, or efw. 

There are 981 4tube china suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Indonesia, which supply 99%, 1%, and 1% of 4tube china respectively. 

tube china products are most popular in North America, South America, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 528 with Other, 410 with ISO9001, and 41 with ISO13485 certification.