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Yumen oilfield has entered …
At 15:58 on November 12, with the opening of the last valve room No. 2 of Qinggao Lin…
2025-01-10
Method of judging internal …
Fixed shaft ball valve is commonly used on natural gas pipelines, and its general ins…
2025-01-03
Profitable oil is produced …
Since the beginning of this year, Tuha Oilfield has established a "highway"…
2024-12-27
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