摸进她的内裤里疯狂揉她动图视频,亚洲人成网亚洲欧洲无码久久,久久婷婷五月综合97色一本一本,久久久精品人妻一区亚美研究所

Welcome to Jiaozuo Libo Light Alloy Co., Ltd.

Aluminum alloy sacrificial anode

magnesium anode, zinc anode

Telephone:

0391-7588881 +8618739187123

Jiaozuo Libo Light Alloy Co., Ltd.

News

News

Contact

Phone:18739187123

hotline:0391-7588881

E-mail:970512272@qq.com

Address:Wuzhi County, Jiaozuo City, China

Company News

Why anticorrosive when there's cathodic protection outside the pipe?

  • Author:Libo
  • Source:wwww.kmeufh.cn
  • Date:2021-06-11
  • Click:0
Generally speaking, the pipeline will be coated with anticorrosive coating, and cathodic protection is to protect the exposed part of the pipeline in the factory transportation and installation of the knock off the coating and the pinhole structure of the anticorrosive coating. In order to effectively carry out anti-corrosion, anti-corrosion coating and cathodic protection should be combined.
Magnesium anode uses: mainly used in underground and fresh water oil, gas transmission, water supply and drainage pipelines, underground cables, chemical industry, communication, harbor, ships, reservoir gate engineering anti-corrosion protection. Such as oil and gas pipeline, storage tank, hot water exchanger, condenser and so on. Our company can produce high potential and low potential magnesium anode.


Online
聯(lián)系方式

熱線電話

18739187123

上班時(shí)間

周一到周五

公司電話

0391-7588881