超碰国产先锋,亚洲成A人片77777在线播放,嗯嗯啊电影在线网站,大陆激情网站

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 Sn99.3Cu0.7

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


久久精品国产99久久六动漫| 四虎永久地址WWW成人久久| WWW.AV,AV.AV| 亚洲综合天堂一区二区三区| 国韩AV高清不卡一区| 国产无码电影久久久久久久久久久久久久| 日韩精品区一区二区三区激情| 蜜臀av在线播放一区二区三区| 国产精品久久久久久免费播放| av片无码片在线| 国产精品久久久久精品| 欧洲亚洲精品免费二区| 2020国产激情视频在线观看| 成人午夜视频一区二区无码| 先锋影音人妻啪啪va资源网站| 日韩人妻一区二区三区免费| 亚洲一区二区三区久久成人用品| 丁香婷婷色综合激情五月| 精品少妇av| 国产无遮挡a片无码免费| 久久久久无码| 国产成人女人在线观看 | 好屌干在线观看| 天天色第7色| 国内熟妇与亚洲洲熟妇妇| 97丨九色丨国产 | 久久精品一本无码免费| 欧美韩中文精品有码视频在线| 久久精品亚洲精品国产色婷| 婷婷开心人妻| 久久久中日ab精品综合| 国产精品一区二区在线| 欧美做爰一区二区三区| 黑人长吊大战中国人妇| 丝袜美腿亚洲综合第一区| 国产一级精东影业黄片| 韩国v欧美v亚洲v日本v| 人人人人人人人人人| 亚洲精品屋v一区二区| 3D动漫精品啪啪啪一区二区| 无码人妻一区二区免费AV|