Bicheng provides RD, high-tech, IT research companies and organizations, large and small with PCB prototypes. It covers: 1) 1-32 Layers, 0.3-6mm thick, Heavy copper (2-10 oz) 2) High Tg 170, High CTI 600V 3) Impedance control +/-10% 4) 1+C+1 HDI, Buried/blind vias 5) Half hole, Via in pad, countersink hole 6) ENIG, HASL, Immersion Silver, OSP, Gold finger, peelable mask 7) Rogers and FR-4 combination PCB. 8) BGA, CSP, QFN 9) Quick turn delivery 10) MOQ: 1 PCS. Packing: Vacuum bag and carton box outside Max. 25kg/ctn.