We are a Manufacturer & Supplier Specializing in Double Side PCB, Multi-Layer PCB, PTFE PCB, Ceramic PCB, Rogers PCB, Aluminum PCB with more than 10 years. Meanwhile, we provide PCBA ( Assembly) and ODM, OEM service. We are specializes in a full SMT and through hole PCBA assembly, obtaining components, building prototype quantities, and testing. You can know us a little by below information. 1. Model Number: PCB 2. Board Thickness: 17um-175um 3. Min. Hole Size : 0.075mm 4. Min. Line Width : 0.075mm 5. Min. Line Spacing : 0.075mm 6. Surface Finishing Lead free HASL, HASL,Immersion gold, Immersion tin, Immersion Silver. 7. Layer: 4-22 Layers solder mask: Black, green, yellow,red,bule 8. Material: High Tg FR4, FR-4,Alu PCB etc Board 9. Thickness: 0.4-6.0 mm 10.Treatment : Lead Free HASL, ENIG, etc. RoHS,UL,ISO9001:2000 , ISO14001:1996 11.Copper thickness: 17-175um rigid PCB .