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About product and suppliers:
        Alibaba.com offers 408 topcon is-3 products. About 26% of these are other optics instruments, 8% are connectors, and 5% are prisms. 

A wide variety of topcon is-3 options are available to you, such as ni-mh, li-ion. You can also choose from female, male, and male-female. As well as from 60/40, 40/20, and 10/5. 

There are 331 topcon is-3 suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Indonesia, which supply 93%, 6%, and 1% of topcon is-3 respectively. 

Topcon is-3 products are most popular in Africa, North America, and South America. 

You can ensure product safety by selecting from certified suppliers, including 43 with ISO9001, 4 with ISO13485, and 4 with Other certification.