... ., Ltd, also named Sunsoar Precision Electronic ( HK) Limited, is a professional PCB manufacturer, with the strength of 1 - 30 layers of ... .1mm)Beveling30°45°V-cut15° 30° 45° 60°Surface finishHAL, HASL Lead Free, Immersion gold, Gold plating, Gold finger, immersion silver, immersion Tin ...