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    Oct 05, 2012 · Share Tubing and Casing, Line Pipes are usaged for Conveying gas,water, and oil in both the oil and natural industries. ... The pipes are usaged for Conveying gas,water,and oil in both the. Sunny Steel Enterprise Ltd. Collect Steel pipe and fitting Resources. Search. Main menu. Skip to primary content. ... GB/T 9711.1 L175, L210, L245, L290 ...

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