
FR-4 PCBs
- 2β26+ layer rigid boards
- 3 mil line width / spacing
- Impedance control Β±8%
Quick-turn PCB prototyping & volume manufacturing
Reference estimate for FR-4 prototypes Β· final quote after free DFM review
Every board type and assembly service from one factory β with engineering support at every step.









* Reference prototype pricing β final quotation after DFM review of your Gerber files, within 24 hours.
Four steps from files to finished boards β with engineering checkpoints in between.
Send Gerber (or ODB++), BOM and placement file. All uploads are secure and confidential.
Our engineers check manufacturability and return a quotation with a free DFM report within 24 hours.
ERP-traced fabrication, AOI, electrical test and impedance coupons on every lot.
Inspected, packed and shipped worldwide by DHL, FedEx or UPS with full documentation.
Why Xianglong Circuit
Founded in Shenzhen in 2008 with a second plant in Dongguan (2021), Xianglong Circuit powers electronics brands with scalable manufacturing, digitalized ERP workflows and dedicated engineering support β from PCB prototype to mass production.
Long-term PCB and PCBA supplier to well-known Chinese and international electronics companies.
Home appliances
RF & antenna modules
Satellite navigation
Consumer electronics
Connectors & comms
Electronics manufacturing
Test instrumentation
Automotive electronics
Send us your Gerber files or BOM β get a DFM report and competitive quotation within 24 hours.