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oil

Oilfield auxiliaries refer to a kind of auxiliaries used in the drilling, production and transportation of oil and natural gas, water quality treatment and enhanced oil recovery process. There are many kinds of auxili...

chemical

Chemical equipment cleaning includes online cleaning and offline cleaning. Online cleaning: use the cooling water tower in the circulating water system as a dosing box to add dosing to the system and carry out natu...

coal

coal

Electric power

China datang group company, China Guodian group company, China Huaneng group company, China Huadian group company, China power investment group known as China's five power groups

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