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About product and suppliers:
        Alibaba.com offers 377 semi circle tube products. About 10% of these are steel pipes, 1% are other lights & lighting products, and 1% are packaging tubes. 

A wide variety of semi circle tube options are available to you, such as ce, rohs, and iso. You can also choose from pvc, plastic. As well as from welded, plate. And whether semi circle tube is extruded, cold drawn, or cold rolled. 

There are 377 semi circle tube suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Singapore, and Hong Kong, which supply 99%, 1%, and 1% of semi circle tube respectively. 

Semi circle tube products are most popular in South America, North America, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 161 with ISO9001, 90 with Other, and 3 with ISO14001 certification.