sucker rod centralizer a batch of delivery-j9九游国际真人

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sucker rod centralizer a batch of delivery

2019/3/30 viewers:

sucker rod centralizer,

at one end with full scale t collar,

the largest diameter: 46 mm,

centering sleeve length: 130 mm,

the total length: 310 mm,

rod body material: 35 crmo,

collar material: 40 cr,

standards: api 11 b,

packing type: free fumigation wooden cases.