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roller centralizer

These are related to the roller centralizer news, in which you can learn about the latest trends in roller centralizer and related information industry, to help you better understand and expand roller centralizer market.

  • 2022-05-10

    Introduction Of Casing Centralizer

    1. Introduction of casing centralizerThe casing centralizers are used to protect sucker rod to reduce wearing.2. Material2.1. Super strength spring steel2.2. ASTM A395 ductile iron ,or equivalent international series number.2.3. Polyester centralizer2.4. Aluminum alloy3. Structure3.1. One or double

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