国产精品蜜臀,麻豆一卡2卡三卡4卡免费观看,日本女人毛茸茸毛茸茸一区二区三区 ,精品污污污一区二区

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 Sn43Pb57

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


亚洲情涩| 中文字幕AV不卡电影网| 青草草在线视频免费观看| 粉嫩被两个粗黑疯狂进出 | av色综合久久天堂av色综合在| 国产a在亚洲线播放| 风间由美性色一区二区三区| 老色批网站| 久久久久久久久久久av| 巴林右旗| 夜夜高潮天天爽欧美| av一本久道久久波多野结衣| 草草地址线路①屁屁影院成人| 中国四大美女是哪四个| 亚洲av一区二区| 长兴县| 1000部精品久久久久久久久| 亚洲日韩VA无码中文字幕| 精品国产免费久久久| 亚洲专区欧美专区| 91pornyⅰ九色| 亚洲精品无码久久久久SM| 少妇丰满大乳被男人揉捏视频| 美日韩在线视频一区二区三区| 欧美日韩在线观看一区二区| 成人色| 国产成人无码A区视频在线观看| 欧洲美熟女乱又伦av影片| 人妻少妇看A偷人无码精品| 亚洲黄片免费观看| 久久不色| 黑人操亚洲人| 天天躁夜夜躁狠狠躁2021A2| 一本色道无码不卡在线观看| 久久久老熟女一区二区三区| 亚洲偷自拍另类图片二区| 日韩老熟女| 龙江县| 日韩精品区一区二区三vr| 色噜噜亚洲男人的天堂| 白色丝袜|