亚洲欧美日韩综合久久,国产成人精品日本亚洲77上位,香蕉av777xxx色综合一区,女人被做到高潮免费视频

About HILONG

HomeAbout HilongHilong Industry

GO Back

Xi’an Changqing Tube-Cote Oil Pipe Coating Co., Ltd. 

Xi'an Changqing Tubokete Oil Pipeline Coating Co., Ltd. is a joint venture established by Hilong Group and Changqing Oilfield, which specializes in providing oil-specific pipe internal plastic coating products and services. The company was established in November 2004 and is located in the North District of Jinghe Industrial Park, Xi'an City, with a superior geographical location and convenient transportation.
The company has the world's leading production equipment for the internal plastic coating of oilfield special pipes, and is committed to providing customers with high-quality oil-specific pipe IPC products. The main business scope includes drill pipes, tubing and casing IPC and application of hardbanding. The customers include major domestic and foreign oil companies, oilfield service companies, oil pipe manufacturers and distributors, etc., as well as the construction of urban pipe networks.
The company's TC series IPC products adopt the coating and spraying process independently developed by Hilong, which can effectively improve the anti-corrosion performance of the pipe body, improve the fluid efficiency, reduce wax and scale, and improve the service life of the pipe. The company can also provide users with more accurate and differentiated IPC solutions and creates greater economic benefits for them according to the environmental factors such as the different well conditions and the conveying medium in which the pipe is in service.
The company has been qualified with ISO9001:2015 Quality System Certificate, ISO14001:2015 Environmental Management System certificate, ISO45001:2018 Occupational Health and Safety Management System certificate, waterproofing, anticorrosion and heat preservation engineering professional contracting two-level qualification certificates, the standardization of the safety production system construction of third level standardized enterprises, etc. And the products have passed the tests of China National Petroleum Corporation Pipe Research Institute and the anti-corrosion testing room of Changqing Oilfield Company's Oil and Gas Academy, and all the indexes are qualified. The internal coated oil pipes and casing produced by the company have been widely used in Changqing Oilfield.
The company adheres to the business philosophy of people-oriented, scientific management, integrity and pragmatism, pioneering and innovative, and serves the development and construction of oilfields with its high starting point, high technology and high quality advantages and relying on the geographical advantages of Changqing Oilfield.

Add:No. 327, Changqing North Road, Jinghe Industrial Park, Xi’an City, Shaanxi Province
p.c:710201 Tel:029-86025862
E-mail:Fuhua@hilonggroup.com

97人妻人人揉人人躁人人| 国产乱人伦偷精品视频不卡| 人妻体内射精一区二区| 亚洲制服丝袜自拍中文字幕| 日本免费高清线视频免费| 国产精品免费麻豆入口| 国产高清在线精品一区| 婷婷五月综合色中文字幕| 久久天堂av综合合色蜜桃网| 精品一区二区国产在线观看| 熟女人妇 成熟妇女系列视频| 曰本无码超乳爆乳中文字幕| 亚洲日韩欧洲乱码av夜夜摸| 国产精品亚洲а∨天堂网不卡 | a级毛片三个男人一女| 秋霞午夜一区二区三区黄瓜视频| 人妻少妇无码精品视频区| 免费看久久妇女高潮a| 久久99精品国产麻豆不卡| 最新国产精品亚洲| 性一交一乱一伦一色一情| 亚洲精品无码国模| 国产精品_九九99久久精品| 无码欧精品亚洲日韩一区| 97se亚洲精品一区二区| 国产在线精品一区二区三区直播| 丁香花在线影院观看在线播放| 国产精品成人免费视频一区| 男女后式激烈动态图片| 日本免费一区二区三区高清视频| 日日摸日日添日日碰9学生露脸| 第一亚洲中文久久精品无码| 一边吃奶一边摸做爽视频| 国产精品国产三级国av在线观看| 亚洲欧美日韩综合俺去了| 少妇久久久久久被弄高潮| 成人网站精品久久久久| 国产日韩精品一区二区三区在线 | 又色又爽又黄的视频网站| 国产一在线精品一区在线观看 | 亚洲人成在线播放网站|