av不卡电影,国产丝袜在线精品丝袜,国产精品亚洲欧美,成人激情五月天

PRODUCTS

Pipe products
Pipe products Oil production machinery Castings and forgings

  The Technical Center of the company has developed new products of API and Non-API series, like High-collapse, Anti-H2S Tubing & Casing, thermal application Tubing & Casing, Drill pipe body, line pipe, special drift casing, perforating barrel, insulated tubing, super strength sucker rod, pumping unit with high strength. Many of them have been tested and evaluated by authoritative departments, and been exported to America, Russia, Middle-East, Southeast Asia etc.
  On November 28, 2007, during the centralized procurement of Tubing & Casing on CNPC Energy Ahead for 2008, the company continued to be qualified for the supply of API Tubing & Casing to all the oil fields of CNPC in 2008. The company believes that with the continuous development and application of new products and technologies, it will meet the needs of the international and domestic petroleum industry in the high-end field, effectively improve the competitiveness of the company's products, enhance the company's position in the industry, create good business performance, and maintain the company's steady, high-speed and long-term development.
  Capacity:Up to end of 2007, the capacity is that Rolling: 400,000 tons, Upsetting: 100,000 tons, Heat treatment: 200,000 tons(high grade OCTG), threading: 350,000 tons(finished tubing and casing).
  Product features:high purity, stable chemical compositions, good surface, high precision of geometric dimensions, excellent comprehensive mechanical and technological properties.
  Key equipment: the key equipment for tubing & casing production line are introduced from Europe, Japan and large-scale professional manufacturers in China. The whole process of manufacturing is controlled by computer automation equipped with professional, complete and advanced online and offline inspection and testing equipment. There are advanced automatic monitoring, temperature control system and pipe rotating quenching system with internal and external spraying water on two heat treatment lines. In 2006, a Multi-functional automatic Ultrasonic Testing Machine was imported from UK with the most advanced detection technology, including oblique and lamination inspection in addition to transverse & longitudinal inspection and full-length wall thickness.

亚洲无码p| 丰满少妇被猛男猛烈进入久久| 久热国产精品| 亚洲AV无码久久精品狠狠爱浪潮 | 久久理论片| 亚洲成人内射| 在线观看无码不卡| 人妻满足中文字幕| 欧美日韩少妇精品| 丝袜人妻一区二区三区网站| 一区二区久久久| 国产伦理一区| 亚洲欧美综合自拍| 五月开心激情网| 亚洲第一二三区| 五月丁香综合网| 日日嗨夜夜嗨一区二区| 少妇人妻精品无码视频| 亚洲激情自拍| 久久人妻少妇嫩草av| 国产精品熟女一区二区三区| 久色精品| 美女一级性爱| 成人综合伊人五月婷久久 | 97在线看| 五月婷婷在线播放| 久久久精品中文骚妇内射| 国产色婷婷久久| 蜜桃视频中文字幕| 熟妇无码精品中文字幕夜夜爽| 中文无码不卡| 久久成人网址| 开心伊人网| 国产精品亚洲色婷婷99久久精品| 天天射天天拍| 国产免费97| 夫妻在线视频| 国产又粗又硬又黄| 女人与公拘交酡全过程| 日韩毛片网| 综合xx网|