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About product and suppliers:
        Alibaba.com offers 3,563 serial device products. About 1% of these are physical therapy equipments, 1% are other security & protection products, and 1% are testing equipment. 

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

There are 3,563 serial device suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of serial device respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 838 with Other, 791 with ISO9001, and 103 with ISO14001 certification.