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About product and suppliers:
        Alibaba.com offers 1,188 ph test paper strip products. About 33% of these are pathological analysis equipments, 20% are clinical analytical instruments, and 14% are ph meters. 

A wide variety of ph test paper strip options are available to you, such as pathological analysis equipments, urine analysis system, and visual acuity examination apparatus. You can also choose from free samples, paid samples. 

There are 1,188 ph test paper strip suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Malaysia, and India, which supply 99%, 1%, and 1% of ph test paper strip respectively. 

Ph test paper strip products are most popular in North America, Domestic Market, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 321 with ISO13485, 216 with ISO9001, and 214 with Other certification.