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- Subsurface Sucker Rod Pumps
- Oil well pumps are downhole equipment for pumping oil. The liquid it sucks contains sand, wax, water, gas and corrosive substances, and it works underground at hundreds of meters to thousands of meters, and the internal pressure of the pump may be as hig
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Dongying KPT Industry and Trade Co., Ltd
[Verified]
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Negotiable
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