• <pre id="bfmyx"><fieldset id="bfmyx"></fieldset></pre>
    <s id="bfmyx"><li id="bfmyx"><menuitem id="bfmyx"></menuitem></li></s>
  • <s id="bfmyx"></s>
    <cite id="bfmyx"></cite>
  • <menuitem id="bfmyx"></menuitem>
  • <pre id="bfmyx"><dfn id="bfmyx"></dfn></pre>
    二区三区无码视频,国产超级va在线观看视频,国产亚洲情侣一区二区无码AV,精品亚洲午夜久久久久四季,日本人成18禁止久久影院,欧美成人精品视频高清在线,久久久久AV综合网成人,国产色在线视频
    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 Sn50Pb50

    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: 国产精品视频免费看| 最近的最新的中文字幕视频| 亚洲福利网入口久久| 日本大乳高潮视频在线观看| 国产AV无码专区亚洲A∨毛片| 欧美亚洲自偷自偷| 日本一区二区在线| 亚洲一卡二卡三卡四卡无卡在线播放 | 国产精品ⅤA在线观看| 国产精品美女久久福利网站| A亚洲VA欧美VA国产综合| 久久99久国产精品66| 兴国县| 亚洲激情国产一区二区三区| 久久人人97超碰香蕉A| 亚洲 欧洲 日韩 综合在线| 2019中文字幕久久幕| 国产原创一区二区。| 无码任你躁久久久久久牛牛| 丁香人人妻人人澡人人爽| 高雅人妻被迫沦为玩物电影BD| 无码刺激性av片完整| 成人区人妻精品一区二区| 精品视频一区二区三区免费| 午夜爽喷水无码成人18禁三级| 国产av无码专区亚洲av潘金链 | 五月天在线视频中文字幕| 色婷婷亚洲日韩精品| 侯马市| 香港三级日本三级韩国三级| 国产视频9l在线观看| 日本一道一区二区视频| 久久午夜夜伦鲁鲁片无码免费| 亚洲国产视频久久| 亚洲熟妇AV一区二区三区宅男 | 国产最新进精品视频| 人妻AV无码专区| 久久久性无码久久久久| 精品成在人线AV无码免费看| 国产成人精品无缓存在线播放| 亚洲熟妇无码AV在线播放 |