... Sn 1. 2-layer Immersion Sn PCB;2. 3.2mm thickness, 2oz Copper;2. High quality&competitive price ... 3. ROHS,UL,SGS,ISO9000, ISO 14000, TS169494. ... and Heavy Copper PCBs and etc; 3. The shortest lead time for double-sided board in 24 hours, and for ... that we can quote for you.*Process Capability: 3.2mm Double-sided Layer PCB, Immersion Sn, 2oz Cu