<span id="65ydn"><optgroup id="65ydn"></optgroup></span>

            少妇被黑人到高潮喷出白浆,麻豆国产传媒精品视频,国产成人一区二区三区免费 ,无码日韩av一区二区三区,国产一区二区不卡91,久久人与动人物a级毛片 ,在线播放深夜精品三级,国产精品av中文字幕
            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
            Lead free solder wire

            Solder wire Sn99.7Cu0.3

            Product parameters

            ◆ good weldability and short wetting time < br > ◆ less rosin splash during brazing < br > ◆ rosin in the line is evenly distributed and has good continuity < br > ◆ no bad smell, less smoke, no harmful gas < br >

            Scope of application

            It is suitable for tin plating of wires and cables, sintering of circuit substrates, tin lining of components, wave soldering of components and manual soldering of components.

            Lvzhidao lead-free solder wire completely passed SGS test.

            In the dust-free and environment-friendly special workshop, high-purity environment-friendly tin ingot, unique flux formula and strict implementation of ISO quality management system are adopted,

            The German direct reading spectrometer was introduced to control the quality and produce lead-free solder wire in line with ROHS standard.

            ★ made of pure tin, with good wettability, conductivity and thermal conductivity.

            ★ the flux is moderate and does not splash during welding. It can be customized by customers.

            ★ the winding is neat without knotting, easy to weld and high efficiency.

            ★ environment friendly lead-free tin wire meets ROHS standard and SGS certification


            主站蜘蛛池模板: 国产成人综合久久亚洲精品| 无码中文字幕日韩专区| 久久久无码人妻精品一区| 国产精品乱码人妻一区二区三区| 夜夜嗨久久人成在日日夜夜| 久久久久无码精品国产app| 亚洲综合成人一区二区三区| 亚洲人成电影在线天堂色| 欧美乱码伦视频免费| 国产成人亚洲综合图区| 日韩欧美中文亚洲高清在线| 国产第一色| 女同性恋一区二区三区视频| 国产一区二区不卡自拍| 久久综合伊人77777| 国产亚洲精品第一综合另类无码无遮挡又大又爽又黄的视频 | 亚洲男人的天堂久久香蕉| 久热这里只有精品6| 国产午夜精品鲁丝片| 国产精品理论片| 99热这里只有精品在线播放| 四虎国产精品永久在线下载| 四虎库影成人在线播放| 国产明星女精品视频网站| 亚洲第一国产综合| 无码国产午夜福利片在线观看| 久久久久99精品国产片| 亚洲老鸭窝一区二区三区| 无码国产69精品久久久久孕妇 | 久热色精品在线观看视频| 亚洲妇女水蜜桃av网网站| 久久精品人妻无码专区| 久久精品国产亚洲不av麻豆 | 中文字幕国产精品二区| 无码国产精品一区二区免费i6| www.日韩三级| 一个本道久久综合久久88| 亚洲综合一区二区三区在线| 成人做爰高潮片免费视频| 亚洲孰妇无码av在线播放 | 久久久久无码精品国产|