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About product and suppliers:
        Alibaba.com offers 186,717 filament products. About 9% of these are plastic rods, 4% are plastic extruders, and 1% are 100% nylon yarn. 

A wide variety of filament options are available to you, such as free samples, paid samples. 

There are 184,045 filament suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Taiwan, which supply 97%, 1%, and 1% of filament respectively. 

Filament products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 56,222 with ISO9001, 22,467 with Other, and 9,615 with ISO14001 certification.