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About product and suppliers:
        Alibaba.com offers 18 castle pos products. About 61% of these are pos systems, 16% are uninterrupted power supply (ups), and 11% are button cell batteries. 

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

There are 17 castle pos suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of castle pos respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 6 with ISO9001, 2 with Other, and 2 with OHSAS18001 certification.