国产大屁股喷水视频在线观看,欧美国产日本,精品自拍视频,欧美熟妇一区二区激情综合

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 Sn30Pb70

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


东台市| 久久成人秘18禁| 本网站亚洲区| 91色欲| 精品国产福利在线观看| WWW成人免费观看| 园产日屄| 1级片网址| 黄桃AV无码免费一区二区三区| 亚洲五月小说| 被大肉楱征服的极品少妇| 无码之爆乳婷婷老师| 亚洲综合小说图片激情| 中文字幕色呦呦| 亚洲日韩开心一区| 亚洲天堂一区二区在线观看 | av福利网站| 欧美日韩亚洲一级片| 中国老熟妇天堂| 午夜福利视频91| 狠狠夜色午夜久久综合| 亚洲AV最新在线网址| 国产人体在线| 尤物av无码色av无码麻豆| 激情综合色网| 沂南县| 中文日产募无限码6区| 99精品久久久久久人妻精品 | 啪啪无码视频| 三级网站久久久| 91久久久精品无码一区二区| 男人天堂免费手机版| 黄动漫在线| 久久网络日本| AAAAA精品一区| 亚洲国产精品无码久久一区二区| 亚洲成人激品| 国产又长又大又粗| 污污网站在线观看| 啪网站在线| 制服一区|