Selling Offers

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  supply API oilfield....

  [Feb. 16, 2008 20:51:21]

  by size

  sucker rod coupling is made according to API, and the surface hardness is HRC50-65, the....

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  API sucker rod....

  [Feb. 16, 2008 20:50:40]

  Óɹæ¸ñ¶ø¶¨

  API sucker rod coupling has three functions: wear-proof, corrosion-resisting and reducing....

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  oilfield pony rod

  [Feb. 16, 2008 20:50:20]

  ÓÉ

  API sucker rod coupling has three functions: wear-proof, corrosion-resisting and reducing....

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  API oilfield....

  [Feb. 16, 2008 20:50:00]

  dermined by size

  sucker rod coupling is made according to API, the type is 5/ 8, 3/ 4, 7/ 8, 1, 1-1/ 8 for full....

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  SM coupling API

  [Feb. 16, 2008 20:49:22]

  50RMB

  sucker rod coupling is made according to API , and the raw material is good steel alloy....