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About product and suppliers:
        Alibaba.com offers 5,399 sub assembly products. About 4% of these are wiring harness, 1% are machinery engine parts, and 1% are communication cables. 

A wide variety of sub assembly options are available to you, such as free samples. 

There are 5,545 sub assembly suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Germany, which supply 97%, 1%, and 1% of sub assembly respectively. 

Sub assembly products are most popular in North America, Western Europe, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 888 with ISO9001, 383 with ISO14001, and 342 with ISO10012 certification.