<bdo id="eb9hl"><fieldset id="eb9hl"></fieldset></bdo>
    <thead id="eb9hl"><progress id="eb9hl"></progress></thead>
    1. <pre id="eb9hl"></pre>

      激情一区二区三区视频,亚洲日本一区二区三区不卡不码,国产午夜精品福利91,国产精品视频福利一区二区,东京热无码中文字幕av专区,国产91小视频在线观看,一级a爱片免费视频观看,久久AV中文综合一区二区
      Welcome to the official website of Legret Metal Company
      Focus on electronic welding for 20 yearsDONGGUAN LEGRET METAL.,LTD
      National consultation hotline:135-2799-2739
      Contact US
      mobile phone: 135-2799-2739
      Service hotline: 0769-38893080
      Email: lzd@dglzd.com
      Address: Dongguan lvzhidao Metal Co., Ltd
      Contact person: Manager Zeng
      Solder bar

      Solder bar Sn40Pb60

      Product parameters

      ☆ good fluidity and wettability< br> ☆ excellent antioxidant, less tin slag< br> ☆ appropriate additives to change the crystalline junction of solder joint Structure, reduce internal stress and resist whisker growth< br> ☆ excellent welding performance, few pull points and bridging;

      Scope of application

      This product is applicable to the tin spraying operation system on the surface of PCB, and is widely applicable to the wave soldering operation of automatic lead-free soldering furnace.

      Lvzhidao brand tin bar adopts high-purity metal raw materials, and effectively controls the content of metal oxides and non-metallic impurities under strict quality control. The produced tin bar has uniform and smooth surface, high purity, fast melting, good fluidity, excellent wetting performance, full and bright solder joints and few oxide slag. It is suitable for all kinds of wave soldering and manual soldering with high quality requirements. Our company continuously develops and can provide a variety of alloy proportions and types of lead-free tin bars for you to choose from.

      主站蜘蛛池模板: 新泰市| 热思思99RE久久精品国产首页| 一本大道东京热无码av| 莒南县| 色吊丝2277sds中文字幕| 国产精品乱码一区二区三| 久草视频免费在线播放| 久热最新在线观看视频| 西西人体xxxxxbbbbb| 男女猛烈无遮挡午夜视频| 亚洲精品二三区伊人久久| 99热国产这里只有精品9九| 欧美成人亚洲综合精品欧美激情| 日本在线一区二区观看| 日本第一区二区三区视频| 亚洲熟女AV综合网五月| 亚美一区二区三区视频播放| 精品一区二区三区不卡| 亚洲碰碰人人AV熟女天堂| 久久久一本精品99久久精品66直播 | 国产亚洲欧美日韩亚洲中文色| 久久亚洲国产精品一区二区| yy6080亚洲国产精品| 国产寡妇树林野战在线播放| 快手网红被c网站免费观看| 中文一区二区三区无码视频| 日批视频免费在线观看| 精品无码av不卡一区二区三区| 手机免费看黄在线高清视频| 婷婷色一区二区三区| 九九在线视频精品播放| 亚洲一区二区三区精品国产| 国产精品久久久久影视不卡| 亚洲人成电影在线观看天堂色| 久久久久人妻精品一区蜜桃网站 | 日本在线一区二区三区四区视频| 亚洲午夜精品自拍一区| 国产精品女丝袜白丝袜| 嵩明县| 凤台县| 色欲天天婬色婬香综合网完整|