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About product and suppliers:
        Alibaba.com offers 57,248 diaphragm pump products. About 81% of these are pumps, 1% are aquariums & accessories, and 1% are other machinery & industry equipment. 

A wide variety of diaphragm pump options are available to you, such as vacuum pump, centrifugal pump, and electromagnetic pump. You can also choose from diaphragm pump, single-stage pump, and multistage pump. As well as from water, air pump, and oil. And whether diaphragm pump is low pressure, high pressure, or medium pressure. 

There are 56,578 diaphragm pump suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 97%, 1%, and 1% of diaphragm pump respectively. 

Diaphragm pump products are most popular in North America, Domestic Market, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 20,331 with ISO9001, 5,706 with Other, and 1,319 with ISO14001 certification.