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About product and suppliers:
        Alibaba.com offers 1,312 pax products. About 19% of these are general reagents, 5% are other chemical reagents, and 4% are high purity reagents. 

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

There are 1,237 pax suppliers, mainly located in Asia. The top supplying countries are China (Mainland), South Korea, and India, which supply 90%, 3%, and 1% of pax respectively. 

Pax products are most popular in South America, Eastern Asia, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 182 with Other, 114 with ISO9001, and 14 with ISO14001 certification.