China pcb manufacturer

 Place of Origin: Guangdong, China (Mainland) • Brand Name: Shanxun • Model /span>: PCB RoHS Compliant • of Layers: 1-30 layer • Base Material: FR4, High Tg FR4, Halogen Free, SYL, Rogers, Aluminium • Copper Thickness: 1/3oz ~ 6oz • Board Thickness: 0.2mm ~ 7.0mm • Min. h/space: 3mil/3mil • Min. Hole Size: 0.2MM • Surface Finishing: Immersion Gold/Au, HASL,LF HASL, OSP,   Immersion silver, etc. • Impedance control: ±10% • Solder mask:green/black/white/red/blue/yellow,etc • Silkscreen: White, Black, Yellow, Blue • Hole tolerance: PTH:±0.075,NT±0.05 • PCB Standard: IPC-A-610 E Class II-III • profiling punching: Routing, V-CUT, Beveling • Wrap and twist: 5%