4-layer PCB with Hard Copper & HAL LF

Layer: 4
Board thickness:2.0mm
Inner Copper thickness: 2oz(70µm)
Outer Copper thickness: 4oz(140µm)
Board material: FR4 TG140(Shengyi S1141)
Surface finishing:HAL LF
Min. line width:0.3mm
Min. line space: 0.35mm
Min. hole size:0.35mm
Min. Copper thickness in hole wall: 35µm
solder mask: Green
Legend:White
100% E-Test
IPC class3
RoHS
4-layer PCB with Hard Copper & HAL LF