日本激情性爱图片视频网站_800中文字幕在线免费观看_久久1级 2级3级片国产_夜色在线视频41午夜福利_国产精品原创av

    <big id="c3v9y"></big>
  • <center id="c3v9y"></center>

    <big id="c3v9y"></big>
    <bdo id="c3v9y"></bdo>
    
    <bdo id="c3v9y"></bdo>
    • Welcome to the official website of Jinhua Mingyu Metal Products Co., Ltd.! ENGLISH 中文版/

      Different characteristics of metal fine lines have different effects

      source:Jinhua Mingyu Metal Products Co., Ltd.release time:2020-01-14

      The chromium content of nickel-plated wire is about 13%-13%, and the nickel content is about 8%-8%. The metal elements in these two corrosion media have high corrosion resistance, so stainless steel is usually not oxidized (rusted). The nature of rust corrosion or rust, this is due to the appearance of steel and atmospheric oxygen, water, acid, alkali, salt and other chemical attack effects or electrochemical corrosion effects, causing discoloration or called rust, the appearance material is iron oxidation Rust.
      Metal fine wire makes nickel-plated wire show different characteristics, different characteristics have different effects, bridges, tunnels, from different aspects, such as power facilities, because everything is to meet different needs.

      Demand communication

      client confirmation

      Trial production

      Bulk delivery

      After sales service

      North District, Jinxi Development Zone, Jinhua City

      0086-579-82622818

      0086-579-82622818

      http://www.palmally.cn

      Follow us:
      interactive platform

      Mingyu Metal
      WeChat

      Copyright: Jinhua Mingyu Metal Products Co., Ltd.? ?Address: North District, Jinxi Development Zone, Jinhua City, Zhejiang Design: zjkckj.com