We are offering to sell Round Four-Layer Multilayer PCBs.
Four-layer multilayer PCBs with 2.0mm thickness, gold plating, green solder mask with white legend
Minimum trace/space is 6/6 mils (0.15/0.15mm), minimum hole is 0.4mm
Size: 200 x 200mm
Widely applied in all kinds of equipments and black light instruments