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About product and suppliers:
        Alibaba.com offers 1,496 drainage conduit products. About 40% of these are plastic extruders, 40% are plastic tubes, and 5% are pipe making machinery. 

A wide variety of drainage conduit options are available to you, such as structure pipe, fluid pipe, and oil pipe. You can also choose from q235, 10#, and 16mn. As well as from api, gb, and bs. And whether drainage conduit is extruded, erw, or hot rolled. 

There are 1,496 drainage conduit suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of drainage conduit respectively. 

Drainage conduit products are most popular in Domestic Market, Mid East, and South America. 

You can ensure product safety by selecting from certified suppliers, including 1,000 with ISO9001, 184 with Other, and 114 with ISO14001 certification.