The Annual petroleum and Petrochemical Safety Production Event
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冀东油田工程造价中心组织参观cippe2019石油展纪念照片
冀东油田工程造价中心连续数年参观cippe石油展，相关组织领导对cippe工作表示大力支持，2019年组织近40人参观cippe2019石油展并合影留念。
In petroleum, chemical, coal mine, metallurgy and many other industries, usually there are flammable and explosive dust dangerous places. In recent years. Read More >
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