Pump type load, it included pumps, oil pumps, chemical pumps, mud pumps, sand pumps, etc., low-pressure medium and small capacity pumps, but also high-pressure large-capacity pumps.
Many water pump companies are in the water pump, chemical and fertilizer industries, such as chemical pumps, reciprocating pumps, mud pumps in non-ferrous metals and other industries use frequency control, which produces very good results.
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