引进美国先进的设计理念、全金属密封技术及加工工艺和高精度数控加工设备，生产高温高压高抗硫产品。
We utilize American advanced technology and design, engineering, machining as well as metal to metal seals technology to manufacture first class products.
引进美国先进的设计理念、全金属密封技术及加工工艺和高精度数控加工设备，生产高温高压高抗硫产品。
We utilize American advanced technology and design, engineering, machining as well as metal to metal seals technology to manufacture first class products.
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