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| TEL:+86-10-63591500 |
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| webmaster@cptdc.cnpc.com.cn |
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| Line Pipe and Oil Country Tubular Goods |  | | | Introduction | | Line pipe manufactured in China includes SSAW,LSAW,ERW,seamiess pipe,and the OCTG is comprised of casing,tubing,drill pipe,drill collar,heavy weight ... | | view details |
| | |  | | | Line Pipe and Related Materials | | It has been more than 50 years since China began to manufacture oil and gas line pipes. In recent twenty years, China’s main manufacturers of line ... | | | view details |
| | |  | | | Oil Country Tubular Goods （OCTG） | | Based on the introduced advanced equipments and technologies from Japan, Germany, Italy and US, China has developed its own technologies and ... | | | view details |
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