波多野结衣国产精品,国模欢欢炮交啪啪150,国产精品高潮无码毛片,国产精品免费视频不卡

News

Hilong Successfully Develops Ground Collective Transmission Inner Coating Anti-corrosion Plug-in Connection Pipeline Technology

Date 2016-12-20

(December 20, 2016, Shanghai) Hilong Group has announced that it successfully developed plug-in connection pipeline technology for use in ground pipeline inner coating anti-corrosion. Several days ago, this technology was successfully used in the Changqing Oilfield pipe-laying project. Previously, the Changqing Oilfield installed three different specifications of pipelines from a certain oil production plant using this technology. These pipelines have been put into operation and are in good condition.


The Hilong plug-in connection pipeline technology was developed and designed by the Hilong Oil Equipment Business in conjunction with the Hilong Petroleum Tubular Goods Research Institute and the Hilong Petrochemical Research Institute, on the basis of advanced technology absorbed from overseas. The technology uses a non-welded pipeline connection method to ensure end-to-end inner coating integrity with fast and safe pipeline construction. Meanwhile, Hilong has also developed supporting construction equipment for use in collective transmission pipeline installation and construction both inside and outside of stations.


Cao Yuhong, Hilong Group senior vice president and general manager of Oil Equipment Business, said that: “Hilong has been committed to promoting enterprise development through technological innovation. Following the widespread application of Hilong tubing inner coatings, in recent years we have successively developed inner coatings for ground collective transmission. However pipeline interface issue has been a critical issue for inner coating pipe products’ applications in ground pipelines. The development of plug-in connection pipeline technology will be conducive to promoting the widespread use of Hilong inner coating products in oilfield ground pipeline construction and civil engineering construction.”

成人无码国产一区二区第3集| 中文字幕不卡在线播放| 人人操人人摸B| 日产精品久久久久久久蜜臀| 天天做天天摸天天爽视频| 97香蕉碰碰人妻国产欧美| 日本一卡三卡四卡无卡免费| 国产XXXXX天美传媒| 老熟妇高潮一区二区三区另类| 老师机免费视频| 欧美成人精品手机在线| 欧亚乱色熟一区二区三四区| 精品人妻中文字幕av| 国产精品av在线| 久久精品国产av一区二区三区| AV 资源 久久| 下面一进一出好爽视频| 中国美女猛操毛片| 久久99精品国产麻豆婷婷 | 日韩成人午夜精品久久高潮| 黑人上司好猛我好爽中文字幕| 日韩精品666| 成在人线av无码免费| 国语高潮无遮挡无码免费看| 一区二区三区十八勿| 性夜夜春夜夜爽aa片a| 快乐五月婷婷色婷在线| 欧美日本国产色色| 亚洲AV综合日韩精品久久| 日本视频中文字幕一区在线| 少妇精品亚洲一区二区成人| 成人欧美一区二区三区1314| 日韩欧无码一区二区三区免费不卡| 超碰91人人操| ab免费激情| 成 人 黄 色 免费 网站| 国产熟女50岁一区二区| 日女人视频网站免费| 亚洲一区4区| 99久久99这里只有免费费精品 | 波多野42部无码喷潮在线|