Darhor technology co.,Limited Darhor Technology is a provider which can not only provides a full range of water treatment products,but also provides technology services. We have played a key role in water treatment industry of China. Over the decades,Darhor become the worldwide leading manufacturer of solenoid valve,our brand Darhor valves are designed to control the flow of gas,steam and Liquid(water,chemical and oil etc.),and also supply our customers with complete flow control ...