• <abbr id="zw06w"></abbr>

      <button id="zw06w"><table id="zw06w"></table></button>
    
    
              日日夜夜撸,av在线观看,最新国产精品久久精品,99久久精品日本一区二区免费,免费精品99久久国产综合精品,日日碰狠狠躁久久躁96avv ,ysl千人千色t9t9t9t9,麻豆一区二区99久久久久
              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: 中文字幕亚洲综合久久综合| 日日摸日日碰夜夜爽无码| 欧美日韩精品久久久免费观看 | 欧美熟妇zozozo| 成人午夜精品无码区久久| 国产精品 欧美日韩| 亚洲成色在线综合网站| 毛片无码一区二区三区a片视频| 夜夜嗨av一区二区三区| 国产av第一次处破| 少妇china中国人妻video| 无码ol丝袜高跟秘书在线观看| 久久99国产精品久久| 97超碰精品成人国产| 久久久亚洲欧洲日产国码是av| 日本少妇| 南澳县| 国产精品不卡无码av在线播放| 欧美xxxx欧美精品| 精品国产免费一区二区三区| 久久99热精品免费观看| 一本一本久久a久久综合精品蜜桃| 野花日本高清完整版免费观看视频| 免费a级作爱片免费观看美国| 久久精品国产亚洲av麻豆网站| 她也色tayese在线视频| 空之色| 中文字幕日本人妻久久久免费 | 自拍偷自拍亚洲精品第1页| 国产在线视频精品视频| 欧洲熟妇色xxxxx| 吉安市| 津南区| 日本亚洲色大成网站www| 精品久久久久久无码专区| 三年片免费观看国语电影| 国产精品久久久久电影院| 日日噜噜夜夜狠狠视频| 八戒八戒免费视频| 少女的视频完整版在线观看| 成年在线观看免费人视频|