• <noscript id="a0aaa"><pre id="a0aaa"></pre></noscript>
    <nav id="a0aaa"></nav>
    <nav id="a0aaa"></nav><nav id="a0aaa"><sup id="a0aaa"></sup></nav>
    <tr id="a0aaa"><blockquote id="a0aaa"></blockquote></tr>
    日本高清www片久久,国产午夜视频在线观看,精品少妇人妻AV无码久久,五月婷婷六月天,在线日本国产成人免费的,岛国av免费观看,久久婷婷国产综合精品,五月丁香六月
    Welcome to the official website of Legret Metal Company
    Focus on electronic welding for 20 yearsDONGGUAN LEGRET METAL.,LTD
    National consultation hotline:+86 135-2799-2739
    Contact US
    mobile phone: 135-2799-2739
    Service hotline: 0769-38893080
    Email: anson@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: 又污又黄又无遮挡的网站国产| 亚洲中文字幕女同一区二区三区 | 在线视频三级| 亚洲欧美日本韩国综合在线观看| 日韩精品成人av在线观看| 久久99精品视香蕉蕉| 日本一道本高清一区二区| 视频一区二区三区蜜桃麻豆| 天堂在线WWW天堂中文在线| 九九在线视频| 成年人午夜免费视频| 四虎库影成人在线播放| 亚洲一区二区偷拍怎么找| 无码国产精品一区二区免费式影视 | 亚洲男人的天堂AV手机在线观看| 国产成人综合久久精品91| 亚洲AⅤ无码一区二区三区| 色综合天天综合网免费网站| 午夜福利无码不卡在线观看| 日韩精品一区中文字幕| 中文无码久久精品| 日韩欧美国产亚洲中文| A级毛片视频免费观看不卡| 无码毛片视频一区二区本码| 人妻少妇偷人精品视频一区二区| 国产亚洲精品自拍视频| 亚洲精品天堂在线观看| 医院人妻闷声隔着帘子被中出| 国产精品区一区二区三在线播放| 制服无码在线第一页| 久久久久久久波多野结衣高潮 | 亚洲色大成影网站www永久| 久久er国产精品免费观看1| 天天爽夜夜爽夜夜爽| 美女18禁网站| 1024看片你懂的| 国国产a国产片免费麻豆| 精品第一页| 日本少妇自慰免费完整版| 亚洲成人四虎在线播放| 91孕妇精品一区二区三区 |