北京一龙恒业石油工程技术有限公司成立于2005年，总部位于北京望京科技园区，是北......

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提供全方位、高质量、最专业的石油一体化服务

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热心公益，扶贫帮困是一龙恒业的责任和义务；多年来，董事长丁福庆先生不遗余力地投身......

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