E-HONG ELECTRONICS has been producing 4" 6" deep well encapsulated canned resin filled borehole submersible motor for over 36 years since 1980. We also manufacture electronic automatic centrifugal constant pressure water booster pump for residential and domestic use. There are one million deep well canned encapsulated water coolant submersible sold around the world. We are also one of the leading companies for manufacturing residential domestic booster pump in Taiwan. All motor and pump are made in Taiwan.