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Oilfield PUYANG 7/8" Self-Rotaing Sucker rod centralizer

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Oilfield PUYANG 7/8" Self-Rotaing Sucker rod centralizer

Oilfield PUYANG 7/8" Self-Rotaing Sucker rod centralizer Product Description  1. Type Centralizer I.D.(mm)           Centralizer O.D(mm) KZX19                       19                          58 KZX22                       22               &…