In 2008 National Oilwell Varco was ranked the number one company in Houston, Texas by the Houston Chronicle, having ranked number fifteen the year before.

 
  • 国民油井华高仍会在新技术和质量方面不懈努力,更好的满足客户的广泛需求,以种类全面的钻井产品和服务,成为业内不二选择。
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