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HNW2800-FD Oil-pump controller
HNW2800-FD is designed for low-yield pump well. The system can be configured to control, monitor and protect oil-pump by adjusting oil-pump working time.HNW2800-FD based control system provides oil-pump control, work conditi...
HNW777-ES Oil-increasing device
Hannowell super oil-increasing device are designed to remove oil clogging and increase oil yield. It includes 18 multiple membrane which can make resonance effect with oil layer during working, vibration waves parallel with ...
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