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About product and suppliers:
        Alibaba.com offers 339 16-digit calculator products. About 59% of these are calculator. 

A wide variety of 16-digit calculator options are available to you, such as 10, 8, and 12. You can also choose from plastic, rubber. As well as from general purpose calculator, tax calculator, and scientific. And whether 16-digit calculator is calendar, or alarm. 

There are 338 16-digit calculator suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and Pakistan, which supply 96%, 2%, and 1% of 16-digit calculator respectively. 

6-digit calculator products are most popular in North America, Western Europe, and Southern Europe. 

You can ensure product safety by selecting from certified suppliers, including 68 with ISO9001, 18 with Other, and 9 with ISO14001 certification.