金日彩票在线平台

  • <tr id='Fbz8rQ'><strong id='Fbz8rQ'></strong><small id='Fbz8rQ'></small><button id='Fbz8rQ'></button><li id='Fbz8rQ'><noscript id='Fbz8rQ'><big id='Fbz8rQ'></big><dt id='Fbz8rQ'></dt></noscript></li></tr><ol id='Fbz8rQ'><option id='Fbz8rQ'><table id='Fbz8rQ'><blockquote id='Fbz8rQ'><tbody id='Fbz8rQ'></tbody></blockquote></table></option></ol><u id='Fbz8rQ'></u><kbd id='Fbz8rQ'><kbd id='Fbz8rQ'></kbd></kbd>

    <code id='Fbz8rQ'><strong id='Fbz8rQ'></strong></code>

    <fieldset id='Fbz8rQ'></fieldset>
          <span id='Fbz8rQ'></span>

              <ins id='Fbz8rQ'></ins>
              <acronym id='Fbz8rQ'><em id='Fbz8rQ'></em><td id='Fbz8rQ'><div id='Fbz8rQ'></div></td></acronym><address id='Fbz8rQ'><big id='Fbz8rQ'><big id='Fbz8rQ'></big><legend id='Fbz8rQ'></legend></big></address>

              <i id='Fbz8rQ'><div id='Fbz8rQ'><ins id='Fbz8rQ'></ins></div></i>
              <i id='Fbz8rQ'></i>
            1. <dl id='Fbz8rQ'></dl>
              1. <blockquote id='Fbz8rQ'><q id='Fbz8rQ'><noscript id='Fbz8rQ'></noscript><dt id='Fbz8rQ'></dt></q></blockquote><noframes id='Fbz8rQ'><i id='Fbz8rQ'></i>
                单面胀钉系列-SK部件
                单面胀钉系列-SK部件
                单面胀钉系列-SK部件

                单面胀钉系列-SK部件

                镀铜圆钢是在电镀铜之前先镀一层镍。这一过程保证了铜层和钢芯之间长期的分 子性的结合。为了改进在施工中的柔韧度,导体的钢芯采用低碳等级的钢材。导体表 面的铜层提供了高导电和耐腐蚀的特性。
                详情

                1.不锈钢垫圈
                2.镀锡铜套
                3.不锈钢螺栓
                4.不锈钢扁平垫圈
                5.自锁螺帽

                联系我们
                联系人: 总经理 蒋先生
                电话: 13606138853
                传真: 021-34206018
                Email: jcg@storybookcoach.com
                地址: 上海市闵行区中春路7001号D座308室(201101)