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Statement of Shanghai Pudong Hanwei Valve Co., LTD 2024-08-28 Statement of Shanghai Pudon… 2024-08-28 The construction of long-distance oil and gas pipelines in China has entered the era of "all-terrain automatic welding" 2025-04-18 The construction of long-di… 2025-04-18 What are the selection conditions of electric butterfly valve and pneumatic butterfly valve? 2025-04-11 What are the selection cond… 2025-04-11 A scientific and technological achievement of Southwest Oil and Gas Field Company has reached the international advanced level 2025-03-28 A scientific and technologi… 2025-03-28 The CBM production of Huabei oilfield continues to rise strongly 2025-03-14 The CBM production of Huabe… 2025-03-14 The 21st Tianjin Industry Fair 2025 intelligent pump valve exhibition 2025-03-07 The 21st Tianjin Industry F… 2025-03-07 
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