丰满熟妇人妻中文字幕,国产麻豆精品一区,中国老熟女重囗味hdxx,蜜桃精品免费久久久久影院

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 wire

Solder wire Sn38Pb62

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


亚洲av综合永久无码精品天堂| 99无码熟妇丰满人妻啪啪| 精品日韩欧美一区二区在线播放| 久久久免费精品re6| 免费毛片全部不收费的| 精品国产综合区久久久久久| 8天堂资源在线| 老熟妇乱子伦牲交视频| 无套内射视频囯产| 亚洲av永久无码天堂网毛片| 一边摸一边抽搐一进一出视频| 丝袜人妻一区二区三区| 天天澡日日澡狠狠欧美老妇| 性欧美巨大乳| 婷婷五月深深久久精品| 亚洲精品乱码久久久久久v | 国产免费av片无码永久免费| 亚洲a无码综合a国产av中文| 年轻漂亮的人妻被公侵犯bd免费版| 欧美艳星nikki激情办公室| 亚洲乱亚洲乱妇无码麻豆| 熟妇激情内射com| 久久99精品九九九久久婷婷| 中国人与黑人牲交free欧美| 国产精品亚洲日韩欧美色窝窝色欲| 在线亚洲人成电影网站色www| 法国啄木乌av片在线播放| 三年片在线观看大全| 国产乱码一二三区精品| 日本成本人片免费网站| 夜夜爽夜夜叫夜夜高潮| 偷偷色噜狠狠狠狠的777米奇| 下面一进一出好爽视频| 亚洲精品精华液一区二区| 国产高清在线精品一区app| 粗大黑人巨精大战欧美成人| 熟妇丰满多毛的大隂户| 黄色视频在线免费观看| 国产精品久久婷婷六月丁香| 中文字幕人妻熟女人妻洋洋| 国产精品videossex国产高清|