Joint venture in oil, natural gas, coal, regenerated energy and mechanical engineering areas.
石油和天然气、煤炭、可再生能源和工程机械领域合作。
Oil feet of universal joints, stay, joint, car row oil absorption multiple tube.
量油尺，万向接头，呆接头，汽车排吸油复合管。
Oil feet of universal joints, stay, joint, car row oil absorption multiple tube.
量油尺，万向接头，呆接头，汽车排吸油复合管。
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