Newjiuding Oil Machinery co., Ltd. lies in Baoji, China, is a professional company integrated with scientific research, production and service of Oil field equipments.
新九鼎石油机械有限公司位于中国宝鸡，是集科研、生产、销售服务为一体的油田设备专业公司。
Huiyuan oil field Machinery co., Ltd. lies in Zhengzhou, China, is a professional company integrated with scientific research, production and service of oil field equipments.
汇源油田设备有限公司位于中国郑州，是集科研、生产、销售服务为一体的油田设备专业公司。
Petroleum equipments play an important role in the production of oil field, the management and operation of these equipments have direct impacts on the oil output and the enterprise's profit.
石油设备是油田生产作业的重要组成部分，这些设备的管理与运行直接关系到石油产量和企业的经济效益。
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