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About product and suppliers:
        Alibaba.com offers 1,491 drainage conduit products. About 42% of these are plastic extruders, 39% 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 extruded, erw, and hot rolled. And whether drainage conduit is api, gb, or bs. 

There are 1,491 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 1,072 with ISO9001, 182 with Other, and 112 with ISO14001 certification.