Industry News - Qingdao Haitongda Special Instrument Co.,Ltd.

China's first!"CNOOC Guanlan number" was connected to the grid and put into operation
2023-05-22
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Deep Regulation and Displacement of 100 Tons in Bo 3 High Water Cut Block of Shengli Oilfield
2023-05-19
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Liaohe Oilfield Xinglongtai Oil Production Plant "Wake" Long Well "Spit Out" Benefit Oil 
2023-05-18
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Changqing Oilfield Oil Production Plant 2 to Accelerate the Construction of Distributed Photovoltaic
2023-05-17
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Western Drilling Downhole Operation Company Fracturing New Process Precision Transformation and Production
2023-05-16
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