国产精品极品美女自在线_亚洲va中文字幕无(码毛片_日韩一区二区高清视频免费在线观看_国产精品欧美日韩中字一区二区_亚洲又黑又大又粗在线观看_91精品无码夜夜爽_国产 欧美 另类在线_久久久精品亚洲成人黄色片_尤物女人裸体网站_国产尤物在线视频

2025HKPCA SHOW

2025/12/3-5 Shenzhen Bao'an

Own intellectual property rights
Technology research and development China leads

The world's leading
Slightly Alkaline Chemical Silverwork

Plating solution is slightly alkaline | no corrosion of copper wire and corrosion | high welding strength

China's leading horizontal copper deposition process

The life of potions system is long | 30:1 high aspect ratio

China's leading direct plating process

Quality fully up to IPC600 standard