We are WELLS ELECTRONIC TECHNOLOGY LTD. based in Shenzhen , China. We are member of exporthub.com since August, 2009. Our business is related to Electrical & Electronics Supplies industry and we specifically deal in pcb bord. Please find our product details below:pcb&pcbaThe Tech-standard of our company is:Product: 2-20 layers Rigid Circuits (Top quality and cost-saving), 1-4 layers flexible circuits.Capability:Trace width/pitch: 3/3mils Finished hole: 0.008'' Aspect Ratio: 10:1 Impedance:+/-5-10ohmLaminate: FR-4( KB, Shengyi, Rogers, ISOLA)Surface finishing: immersion gold, (Lead free) HASL, immersion silver/tin, OSP, Gold plating etc.PCB design &manufacture(1) Fabrication data inputs: Gerber data RS-274-X or RS-274-D with aperture list and drill files; Design file with Protel, PAD2000, POWERPCB, ORCAD (2) Material: FR-4, High Tg FR4, high frequency board (Teflon, Rogers, Arlon), Halogen free, rigid-flexible board (3) Board thickness: 0.21-6.0mm (4) Layer counts: 2-16 layers (5) Surface finishes: HASL, lead-free HASL, immersion gold, gold finger, gold Plating, OSP (6) Min. Line width/spacing: 4/4mil (7) Min. Hole size: 0.25mm (8) Min. Solder mask gap between dam: 4mil (9) Max. Panel size: 20x 30PCBA design and making basing on samples or BOM and PCB filespcb&pcba serviceThe Tech-standard of our company is:Product: 2-20 layers Rigid Circuits (Top quality and cost-saving), 1-4 layers flexible circuits.Capability:Trace width/pitch: 3/3mils Finished hole: 0.008'' Aspect Ratio: 10:1 Impedance:+/-5-10ohmLaminate: FR-4( KB, Shengyi, Rogers, ISOLA)Surface finishing: immersion gold, (Lead free) HASL, immersion silver/tin, OSP, Gold plating etc.Thank you for taking the time to go through our business profile. If there are any question, inquiry or comments, please feel free to contact us.