男女吃奶做爰猛烈紧视频,狠干狠狠干靠逼,亚洲理论电影在线观看,亚洲福利在线无码天天看

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 bar

Solder bar Sn55Pb45

Product parameters

☆ good fluidity and wettability< br> ☆ excellent antioxidant, less tin slag< br> ☆ appropriate additives to change the crystalline junction of solder joint Structure, reduce internal stress and resist whisker growth< br> ☆ excellent welding performance, few pull points and bridging;

Scope of application

This product is applicable to the tin spraying operation system on the surface of PCB, and is widely applicable to the wave soldering operation of automatic lead-free soldering furnace.

Lvzhidao brand tin bar adopts high-purity metal raw materials, and effectively controls the content of metal oxides and non-metallic impurities under strict quality control. The produced tin bar has uniform and smooth surface, high purity, fast melting, good fluidity, excellent wetting performance, full and bright solder joints and few oxide slag. It is suitable for all kinds of wave soldering and manual soldering with high quality requirements. Our company continuously develops and can provide a variety of alloy proportions and types of lead-free tin bars for you to choose from.

白银市| 博客| 玉龙| 克什克腾旗| 大足县| 香格里拉县| 沿河| 越西县| 长子县| 华蓥市| 湘乡市| 绍兴县| 弥勒县| 清水河县| 拜城县| 依兰县| 宜都市| 沙湾县| 广西| 西乌| 辽阳市| 虎林市| 绍兴县| 南召县| 濮阳市| 太和县| 新安县| 庐江县| 分宜县| 牡丹江市| 宜兴市| 石家庄市| 博野县| 江达县| 乐山市| 临颍县| 长白| 确山县| 娄烦县| 贵港市| 平和县|