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About product and suppliers:
        Alibaba.com offers 171,160 direct factory supply products. About 1% of these are switching power supply, 1% are continuous ink supply system, and 1% are auxiliaries and other medicinal chemicals. 

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

There are 170,494 direct factory supply suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Russian Federation, which supply 99%, 1%, and 1% of direct factory supply respectively. 

Direct factory supply products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 37,542 with ISO9001, 28,371 with Other, and 6,554 with ISO14001 certification.