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About product and suppliers:
        Alibaba.com offers 1,552 water pump variable speed controllers products. About 73% of these are inverters & converters, 1% are ac motor, and 1% are wall switches. 

A wide variety of water pump variable speed controllers options are available to you, such as triple, single, and dual. You can also choose from 1 - 200kw, 1 - 50w. As well as from paid samples. 

There are 1,472 water pump variable speed controllers suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and South Korea, which supply 99%, 1%, and 1% of water pump variable speed controllers respectively. 

Water pump variable speed controllers products are most popular in South Asia, Mid East, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 1,000 with ISO9001, 122 with ISO14001, and 38 with Other certification.