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- Drill Collars
- We are one of the largest Manufacturers and exporters, from China, of a wide range of Petroleum Machinery and Equipments. We main manufacture Down hole Motors, tubing, fittins, castings, drill pipes, drill collars, Skid-Mounted Drilling, Truck-Mounte
- 2014-03-10 08:12 [China(Mainland)]
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DEZHOU SAIGAO PETROLEUM MACHINERY CO., LTD.
[Not Verified]
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Negotiable
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