This four-layer aluminum PCB from Shenzhen Yifang Electronics Co. Ltd, the YF-D-709FD-8711, has 3mil minimum line width and spacing, HASL surface finish, white solder mask and yellow silk-screening. Board thickness is 1.5mm. This PCB undergoes 100 percent electrical testing.

Shenzhen Yifang has an annual production capacity of up to 260,000sqm. It handles R&D in-house and provides OEM services.