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


看久久久久久a级毛片| 亚洲色成人网站www永久| 欧美黑人又粗又大又爽免费| 国产精品无码一区二区三区免费 | 国产精品高潮呻吟久久av| 欧洲女同同性videos| 天堂中文8资源在线8| 亚洲色偷偷综合亚洲av| 草色噜噜噜av在线观看香蕉| 国产无套乱子伦精彩是白视频| 无码日韩av一区二区三区| 青青青国产精品一区二区| 亚洲av无码第一区二区三区| 精品亚洲成a人在线观看| 亚洲国产精品久久久久爰色欲| 亚洲午夜无码久久| 国产激情久久久久影院老熟女免费| 影音先锋女人av鲁色资源网久久| 无码爽视频| 一本大道久久东京热无码av| 狠狠躁18三区二区一区| 亚洲精品无码永久中文字幕| 国产精品美女一区二区视频| 午夜福利麻豆国产精品| 性欧美牲交xxxxx视频欧美| 毛片亚洲av无码精品国产午夜| 亚洲精品v天堂中文字幕| 医院人妻闷声隔着帘子被中出| 蜜桃av抽搐高潮一区二区 | 久久亚洲av成人无码国产最大 | 亚洲av午夜福利精品一区二区| 超碰aⅴ人人做人人爽欧美| 欧美伊人久久大香线蕉综合| 国产麻豆md传媒视频| 欧美综合自拍亚洲综合图片区 | 亚洲av无码一区二区三区不卡| 午夜肉伦伦影院| 人妻少妇-嫩草影院| 丰满少妇高潮惨叫久久久一 | 亚洲av永久无码精品网站| 婷婷色婷婷开心五月四房播播|