Well Down Hole Insert Rod Series Sucker Rod Pump 3 1/2x2 1/2
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Well Down Hole Insert Rod Series Sucker Rod Pump Well Down Hole Insert Rod Series Sucker Rod Pump Description There are seven major components for downhole rod pumps: standing and traveling valves, plunger, barrel, seating assembly, pull tube or valve rod......
Puyang Zhongshi Group Co., Ltd.
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