日韩视频无砖区2021,美女深夜福利图,东京热av男人天堂加勒比,在线观看男人操女人网站

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


使劲用力抽插大鸡巴视频| 帅哥用机机捅美女的骚逼| 操大逼的那些事| 三级片无码高清免费国产| 韩国美女一级BD理论片| 大鸡巴大黑逼污污污人妻| 色噜噜综合亚洲av中文| 啊啊操死我快射小穴网站| 精品福利久久一区二区av| 闺蜜和我被黑人4p到惨| 国产精品中文字幕一二三| 免费久碰视频| 国产乱码在线精品可播放| 舔咪咪插bb网站啊啊天| 日本高清在线免费中文字幕| 高清av熟女一区蜜臀av| 三级片精品播放| 亚洲人成人无码网www国产| 国产精品免费久久蜜色av| 久久久中文字幕人妻一区| 天天av天天干天天综合| 欧美永久精品免费nba| 国产精品呻吟一区二区三区| 操裸体美女网站| 国产日韩电影一区二区三区| 日本高清中文字幕二区不卡| 亚洲欧美日韩国产综合v| 99久久精品国产自免费| 欧美亚洲精品不卡一区二区 | 舔大逼免费视频| 美女草壁啊啊啊| 操日本女人大B| 无码人妻久久一区二区三区蜜桃| 国产大屁股喷水视频一区| 超97在线免费观看视频| 美女搞基网站日本免费看| 伊人久久大香线蕉av一区二区| 大鸡巴抽插美女| 又色又爽又黄的视频网站| 狠狠操嫩毛BB| 操三八白白操免费视频3|