国产精品蜜臀,逼逼尿尿视频,91精美有限公司一,五月婷婷综合在线观看网

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 Sn40Pb60

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无码乱码在线观看| 天天日天天爽| 亚洲精品GV天堂无码男同| 香蕉欧美成人精品a∨在线观看| 久久精品国产亚洲av四虎| 94久久国产乱子伦精品免费| 国产高潮流白浆免费观看| 狠狠躁夜夜躁人人爽天天开心婷婷| 四影虎影ww4hu32cmo| 国产综合自拍| 午夜精品久久久久久久99蜜桃| 亚洲天堂中文| 天天躁夜夜躁狠狠躁| 超碰九九| 综合久久久久| 10天的爱人满天星| 熟女maturetube熟妇| av不卡在线播放| 91欧美激情一区二区三区成人| 成人精品一区| 色愁愁久久| 夫妻性生活片| 性情网站| 嫩草在线| 国模白灵私拍[150p]| 久久夜靖品| 久操精品视频| 国内久久| 国产精品色| 华坪县| 97视频精品全国免费观看| 久久人妻少妇嫩草av| 沂源县| 人妻丰满熟妇av无码片| 成在人线av无码免观看| 国产av色图| 一区二区久久精品66国产精品| av推荐| 综合av| av综合| 一本到中文无码av在线精品|