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About product and suppliers:
        Alibaba.com offers 33,774 diagnosis products. About 7% of these are diagnostic tools, 2% are ophthalmic optical equipments, and 1% are skin analyzer. 

A wide variety of diagnosis options are available to you, such as code reader, engine analyzer, and skin analyzer. You can also choose from free samples, paid samples. 

There are 33,679 diagnosis suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Pakistan, and Malaysia, which supply 96%, 1%, and 1% of diagnosis respectively. 

Diagnosis products are most popular in Domestic Market, North America, and South America. 

You can ensure product safety by selecting from certified suppliers, including 12,062 with ISO9001, 7,267 with Other, and 4,350 with ISO13485 certification.