日韩人妻无码一区二区,日美嫩B嫩BBBBBB,亚洲 精品一区二区三区,国产婬乱片A片AAA毛片下载,精品国产鲁一鲁一区二区赤裸特工
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.

国产午夜精品理论片A级探花 | 国产福利姬在线观看免费 | 24小时欧美在线视频www | 麻豆女优夏晴子视频播放 | 大战丰满人妻性色Av偷 | 国产BBB大BBB爽视频 | 日韩 精品 无码 系列 视频 | 成人免费观看A片www下网 | 日本视频在线观看免费 | 亚洲高清无码在线免费观看 | 91凄人人澡人人爽人人精此品 | 黄色视频网站在线观看 | 美女被内射内径乱喷 | 国产69精品久久久久久人妻漫画 | 艳妇乳肉豪妇荡乳Aⅴ东京热糸列 | 国精产品999永久麻豆一区二区 | 91九色丨国产丨人妻在线 | 99久久国产自偷自自偷免费一区 | 寡妇高潮一级毛片免费 | 一级老太卖婬免费视频 | 久久老熟女一级A片免费观看 | 成人粉嫩蜜桃AV小网站 | 少女哔哩哔哩高清在线观看 | 激情婷婷小说图片区小说 | 无码GOGO大胆啪啪艺术直播 | 少妇丰满的肉体A片视频 | 亚洲AV无码乱码一区二区 | 超碰在线免费成人WWW | 国产精品嫩草影院 竹菊 | 久久综合亚洲精品资源种子入口 | 91精品国产黑色丝袜 | 日韩视频免费无码免费 | 精品人妻无码一区二区色欲aAV | 香港三日本三级少妇99 | 真实露脸农村妇女23p | 亚洲AV无码乱码国产精品牛牛 | 波多野结衣AV片免费观看 | 婷婷色情乱婬一区二区三区小说 | 国产高清主播白浆喷水视频在线观看 | 亚洲色噜噜狠狠网站丁香 | 中文字幕亚洲一区二区三区_ |