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Puyang Donghao Mechanical & Electronic Co.,Ltd
Tongchuan, Shaanxi, China
Main products: downhole tools, oil packer, bridge plug, hydraulic anchor, screw torque anchor
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    cementing tools
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    oil packer
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All Products

  • Non welded Spring Centralizer
  • Z331 cup packer
  • Packer Y521-140
  • Y111 straddle packer
  • Oil well increasing device
  • Y341 hydraulic oil well packer
  • Y221M oil packer with different workship
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  • cementing tools
  • New product
  • oil packer
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