Layer account: 4 layer rigid flexible

Material: FR4 TG170 + 2mil Polymide, 1.6mm, 1 OZ for all layer

Minimum track: 4 mil

Minimum space(gap): 4 mil

Minimum hole: 0.20mm

Surface finished: LF HASL

Panel size: 178*110mm/2up

QFN chips assembly, type C assembly, high reliable PCBA, high quality PCB assembly