欧美大片欧美激情性色A∨在线_韩国三级《老师的秘密》_92久久av嫩草影院性色_奶水h人妻销魂共妻高h_精品熟女60老妇av免_国产在线观看WWW污污污_日欧一片内射va在线影院_免费高清视频 大片_灭火宝贝中文字幕在线观看

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: [email protected]
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


男宠被当众撅着屁股挨c| 被黑人伦流澡到高潮hn视频| xxx-japanporn| 少妇内谢视频| 乡村春潮小说| 欧美激情久久久| 国产性生活在线视频| 黄色短篇小说在线观看| 男人扒开女人荫蒂添的我高潮了| 在公车被弄到高潮自述| 玉足调教丨vk24分钟| 国产女主播一区二区| 古装怀孕撞到肚子动了胎气电视剧| 偷偷鲁2019| 成年男女免费视频| 天天想天天操| 操亚洲女人| 丰满的邻居2电影免费观看| а√ 天堂 在线官网中文下载| 无遮挡19禁啪啪成人黄软件| 强行入侵粗暴h肉囚禁| 国产乡下三级全黄三级bd| 狠狠色 综合色区| 欧美在线综合| 亚洲处破女av一区二区中文| 小sao货水真多cao烂你| 91pao对白在线播放| 虐h强制强迫捆绑撕裂粗暴h| 娇妻呻吟哭泣反抗挣扎着| 51ⅴ精品国产91久久久久久| 久久久久久久岛国免费网站| 青青草福利视频| 夜夜高潮夜夜爽夜夜爱爱| 女人扒开尿口让男人捅爽| 四川少妇性色xxxxhd| 中国性xxxx| 老汉糟蹋小受h文| 国产69精品久久99的软件特点| 情侣大尺度激情做爰视频| 换体之和少妇互换身体上| 欧美皮鞭调教www..com|