Substrate :FR-4, cement-1, cement-3, high TG, high frequency, halogen-free, aluminum base, 

metal core base
Plate thickness: 0.4 ~ 1.0 ~ 1.2 ~ 1.6 ~ 2.0 ~ 2.5 ~ 3.0 ~ 3.2 mm
Layer number: 4-6-8-4-6-8-20 to 24 to 32 layers
Price: $0.1-1.0
Minimum line width :3 mm
Minimum line spacing :3mil
Finish :HASL(lead-free)/ gold immersion/OSP/tin immersion/silver immersion
Copper thickness :1 to 3 ounces