sucker rod centralizer-j9九游国际真人

sucker rod centralizer

2016/2/17 viewers
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        sucker rod centralizer is mainly used for centralize suck rod and reduce the friction of tubing and sucker is composed of coupling,short joint and centralizer connects with sucker the centralizer casing is the high strength abrasion-proof material,when contract with the oil tube abrade centralizer body and reduce tube friction in order to anti-partial.

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