Hi, This is keivan from Q & D Circuits Ltd., We are professional PCB FACTORY specialize in Manufacture and Export various PCBs up to 42 layers, Quick-Turn Prototypes and mass production for over 17 years. ISO 9001 and 14001, TS16949, UL and SGS certified. We can always offer Stable Quality, the most Competitive Price and Professional Service.

Our Technology Capability:

—— Rigid PCBs (Double side up to 42 layers); Flex PCBs (1-24L); Rigid-Flex (2-12L).

—— Material: FR4, Halogen Free, Rogers, Arlon, Taconic, CEM-1, CEM-3, Metal core aluminum based…….High Tg (Tg150, Tg170, Tg180, Tg250), High CTI (CTI>600v), High copper (12oz)
Brands of Fr4 such as ShengYi, KB, HUAZHENG, ITEO.

—— Finish: Tin lead / Leadfree HASL, Electroless Immersion gold(ENIG), Electrolytic plate nickel/gold, Gold fingers, Immersion tin, Immersion silver, OSP…

—— Special: HDI, Mixed laminate, Blind/buried hole, Countersink hole, Half hole, hole-in-pad, plugged by epoxy, Impedance, Thick gold, Plated edge, Peelable mask, Carbon soldermask…..

—— Minimum Line Width / Space: 3/2.5mil; Minimum hole: 0.1mm;

—— Max finished size: 1200x600mm; Minimum finished size: 10x10mm

I will send you more detail information if you need. Free Samples can be sent for your reference on request.

Look forward to your response and inquiries soon.