国产人妻人伦精品1国产-亚洲性爱影视-欧美视频,亚洲视频,在线视频-免费臥美黄片-2018夜夜操-欧美激情16p-91无码人妻-黄色网页在线,69人妻在线视频,欧日Av女网站,久久涩涩婷

For home ★ Join collectio Chinese English
Home News About us Installation branch Pressure testing branch Lining repairing branch Crossing department International branch Inland branch Department Customer opinion
Department
Cleaning ?department
· Profile
· technology introduction
· Chemical cleaning
· Physical cleaning
· Representative project
Inspection department
· Profile
· Technology introduction
· Detection and of Pipeline Outside Coating
· Cathode Protection System Test and Maintenance
· GPS positioning and survey
· Nondestructive Detection
· Representative project
Pipeline maintenance department
· Profile
· Technology introduction
· COW Crude Oil Tank Cleaning Technology
· Hot tapping, then Extension Technology
· Representative project
Zhongtuo Engineering Design (Beijing) Co., Ltd
 
You now:Home > English > Department > Pipeline maintenance department > Profile
 
 
       Pipeline Engineering Co., Ltd – Pipeline Maintenance Department, based on Henan Puyang Zhongyuan Oilfield and advanced technology, aimed at customers’ requirements, considering the good service as the tenet, is a specialization team engaged in the COW mechanical cleaning for crude oil storage tank, openning the hole with pressure, connecting laterals, changing the valve and plugging technology service.
 
Business Scope:
 
1. COW crude oil storage tank cleaning.
 
       Cleaning method: using the spray cleaning machine, we spray the cleaning media on the surface remain to clean under certain temperature, pressure and flow in order to remove the surface coagulation and sludge for which we will operate the treatment and recovery. This method is mainly aimed at the oil storage tanks cleaning for national major oil fields, local oil depots, refineries and other petrochemical enterprises.
 
2. Pipeline openning the hole with pressure, connecting laterals, changing the valve and plugging technology
 
      Application: used in the pipelines that transport the inflammable, explosive, toxic and hazardous liquid and gas such as crude oil, chemicals, liquefied petroleum gas, coal gas and natural gas, and in the urban water and heat supply pipelines who work continously with pressure.
 
   Science builds up brand, sincere services to customers!
 
 
 
   Welcome to call us!

     Contact: Geng Shuwen
     Telephone: 0393 - 4721120, 4887712 (fax)
     Mobile: 15239381885
     E-mail: 15239381885@163.com
About us /  Customer service / Contact us Copyright ? 2010 Henan ZhongTuo Petroleum Engineering Technology Co.,Ltd All rights reserved
豫ICP備05002509號
亚欧美人亚欧美人90| www.亚洲这里| 国产亚洲精品97在线观看| 欧美亚洲都市激情自拍校园人妻熟女| 丈夫的上司比丈夫更重要| 爱婷婷aaaa| 中文无码A在线| 日韩免费电影一区二区| 久久精品国产亚洲av尤物| 好吊操久久久| 人人干人人操人人擦免费| 好吊操好吊| 超碰福利久久精品| 亚洲无码在线一区二区| 女同一区二区三区在线| 狠狠狠色丁香婷婷综合久久五月婷| 午夜精品秘 一区二区三区四区五区| 欧美丝袜人妻熟妇| 久草青青草蜜乳| 熟妇骚逼超级碰碰免费视频| 东京热论坛人妻| 啪啪啪草搜索| 超碰桃花5| 中文字幕 自拍偷拍| 色天使久久综合网天天| 99久久久无码国产精品密芽| 97久久夜色精品国产传媒| 无码国产片| 日本少妇久久久久久网| 嗯嗯操国产剧情欧美| 撸大师人人操资源超碰在线| 超碰大陰唇毛茸茸黑森林| 巨乳av中文字幕永久网站| 蹂躏成人在线导航| 秋霞在线| 亚洲黄一区| 山口珠理| 欧美iPhone性能终极解析| 性爱日一区| 91人妻视频在线观看| 美国欧洲操逼视频| 亚洲丰满熟妇自慰| 五月激情一区综合网| 亚州无码黄片| 亚洲第一夜页| 人妻无码一区二区三区TV| 岛国大片网址在线999| 性交欧美性爱| 亚州老少妇| 看黄色一级a片| 人妻一区二区三区不卡| 亚洲娱乐无码在线| 自由丶成熟丶丰满丶丰满| 韩国午夜理论| 韩国美女av一区二区三区四区| 色色999日韩美女| 人人妻人人爽人人澡欧美二区| 尤物AV导航| 撸撸在线久久| 欧美高清一二三区| 少妇高潮av久久久久久| 17c精品久久| 亚洲东京热网址| 人人操人人添人人Av| AV8888.AV| 外文字幕无码网| 操操老司机| 欧美丰满操| 亚洲精品乱码久久久久久蜜芽| 色宗五月婷婷| 国产日韩成人精品不卡一区二区| 伊人大香蕉毛片| 加勒比大屁股无码| 国产AV成人网站| 亚洲国产精品va在线播放| 进入精品黄色网页| 亚欧久久日韩| 亚洲精品打炮视频| 97 成人 在线| 亚洲欧美一区三区| 在线精品视频一区二区三四| 九哥超逼| 东京热午夜伦理片| 亚洲A1区| 久久久久亚洲AV无码专区蜜芽| 日韩中文AV在线| 亚洲色欲大片| 另外激情鲁av|