性猛交ⅹxxx富婆视频_少妇人妻丰满做爰xxx_双马尾弹力摇喜欢坐着还是站着跳_gogogo电影免费观看_国产麻豆放荡av剧情演绎_情满四合院片尾曲演唱者是谁_女人与大黄拘做爰视频_少妇伦子伦精品无吗_日日碰狠狠添天天爽无码

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
Solder wire

Solder wire Sn45Pb55

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


91尤物国产网红尤物福利图片| 丝袜黄色片| 谍海追踪电视剧全集免费观看| 强行从后面挺进啪啪少妇| 啊~用力cao嗯cao烂我电影| 国产成人在线看| 被迫穿丁字内裤带着震蛋出门小说| 寡妇下面又紧又爽水又多| 折腰动漫免费观看完整版高清| 自拍欧美一区| 亚洲国产综合久久久| 中文字幕在线视频免费播放| 亚洲日本少妇| 国产精品99久| 99久久精品国产系列| 摁着往死里做宫交高h| 3d动漫精品啪福利在线原神| 午夜xxxxx| sp趴床脱裙子内裤打屁股视频| 导航福利在线| 亚洲人成在线网站| 被仇人调教成禁脔hhh虐| 性色a码一区二区三区天美传媒| 日韩精品视频中文字幕| 美女被捆绑强摸双乳视频| 日日操网站| 深田咏美av在线播放| 91精品国产色综合久久不卡98最新章节| 午夜秀场在线观看| av在线播放一区| 色久综合一二码| 日本多人交换做爰| 日本色图欧美色图| 日韩中午字幕| 四虎国产精品免费久久5151| 丝袜性满足hd| 女尊女攻高h巨辣h文| 欧洲一区二区在线观看| 无人在线观看高清视频 单曲| 女仆裸体给主人吃奶玩乳动漫| 久久精品国产99久久99久久久|