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| |  | | Drilling rig | | Based on 50 years manufacturing experience, CPTDC can supply the ... |
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 | | Oilfield Chemicals | | CPTDC can provide five categories of oilfiled chemicals, including ... |
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 | | Line Pipe | | Line pipe manufactured in China includes SSAW,LSAW,ERW,seamless... |
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| | | | | China Petroleum Technology & Development Corporation a wholly-owned subsidiary of China National Petroleum Corporation (CNPC), as the ... read more |
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