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pump jack c pumping unit
Selling leads
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... device, and then the polished rod append and support the load of sucker rod string. The polished rod clamp is an important part connecting oil ...
2024-12-09 17:12:54
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..." is a long, slender, and flexible rod used in the oil and gas industry to transmit power from a surface pumping unit to downhole pumping equipment ...
2025-07-29 00:08:29
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