Hong Sheng Technology LTD. -- PCB Design Product Info.

Remarks:
Products : PCB Design
Item No. : PCB-Design-02
Layer count : 4
Minimum line width/space : 6.4/6.4 mil
Minimum hole size : 0.4mm
Board thickness : 1mm
Surface finish : HAL
Base laminate material : FR4
Aspect ratio : 2.5