Make / PCB fabrication / Sierra Circuits Asia
Sierra Circuits Asia
higher-reliability PCBA than JLCPCB/PCBWay for robotics prototypes needing microwave/RF, HDI, or aerospace-grade layer stack-ups; English-first with US project managers
CN Guangzhou, Guangdong, China · protoexpress.com
What they make
| Processes | PCB fabrication, PCB assembly (PCBA) (read from their description) |
|---|---|
| Capabilities | HDI up to 24 layer, controlled impedance, blind/buried vias, flex/rigid-flex / **moq:** 1 pc / **lead-time:** 5–10 days / **pricing-signal:** premium above JLC/PCBWay |
| Parts and products | unknown |
| Materials | unknown |
| Tolerance | unknown |
| Largest part | unknown |
Order size and timing
| Minimum order | unknown |
|---|---|
| Prototypes | unknown |
| Small-run evidence | unknown |
| Startup friendly | unknown |
| Quote turnaround | unknown |
| Prototype lead time | unknown |
| Production lead time | unknown |
| Instant online quote | unknown |
Quality and company
| Certificates | IPC 6012 Class 3, MIL-PRF-31032 (US) — note: MIL cert not relevant to civilian robotics but signals process rigor |
|---|---|
| Business type | unknown |
| People | unknown |
| Floor area | unknown |
| Founded | unknown |
| English | yes / **startup-friendly:** partial (premium pricing offsets small-batch friendliness) |
| Public customers | unknown |
| Address | unknown |
| Marketplace stores | unknown |
Contact
| not public; request through Maglev | |
| Phone | not public |
What others say
established brand in HN and EEVblog threads
Sources
Confidence UNVERIFIED · from public sources, not yet visited or ordered from · checked 2026-09-04