- Compnay Name:
- Membership:Free Member
- Registration Date:2020.06.18
- Address:long gang street Shenzhen, Guangdong
- Phone / Fax :86-0755-84805935 / -0755-
- Contact:david chow
Shenzhen Tian Yue New Material Technology Co.,Ltd
Report Item3d全彩漫画秘密情人在线观看 3d全彩漫画秘密情人高清无删 ,情迷六月花 电影HD720P在线观看全集免费完整版第36集 雪梨 ,三分之一情人连载在线观看 三分之一情人连载高清无删减 雪Selling Leads Details
1.The process is easy to operate, and the tool can be immersed in the working fluid, and then a chemical reaction can occur to form an effective protective film
2.The process does not contain organic solvents, and the formed protective layer is non-toxic and non-irritating, improving safety and environmental protection.
3.The protective layer hardly changes the contact resistance and solderability of the silver layer.
4.Short-time heat treatment (below 300 degrees) has little effect on the performance of the protective layer
Silver surface anti-sulfide and other anti-oxidation protection