What this manufacturer makes
Shennan Circuits combines bare-board fabrication, IC substrates and electronic assembly. Its company profile identifies manufacturing facilities in Shenzhen, Wuxi and Nantong. The PCB technical page distinguishes mass-production limits from sample capabilities; the directory uses the mass-production column.
Official company source reviewed- Manufacturing focus
- High-layer backplanes · RF & microwave · IC substrates & assembly
- Published footprint
- Shenzhen · Wuxi · Nantong
- Listing and account
- Independently researched · factory account not claimed
Multilayer PCB — mass-production envelope
Manufacturer reportedMass-production column. Outer-layer line/space governs the listed routing limit. Mechanical drill diameter is not treated as finished-hole size.
- Layer count
- 2–68 layers
- Line / space
- 0.0635 / 0.0635 mm
- Finished hole
- Not confirmed
- Impedance
- Not disclosed for this profile
| Outer-layer line / space | 2.5 / 2.5 mil |
|---|---|
| Mechanical drill, tool diameter | ≥0.15 mm |
| Maximum thickness | 10 mm |
| Sample-only layer ceiling | 120 layers; excluded from mass-production filter |
| Technical source | scc.com.cn · Manufacturer specification |
These are separate published limits, not a promise that every combination is manufacturable. Unknown values are excluded from numerical filtering.
Open capability sheet →Know what has been checked.
The website review establishes the source of a statement. Independent UL ownership, equipment and material checks are tracked separately.
UL ownership
Not independently verifiedNo supporting record has been reviewed for this category.
Qualification request: Legal holder, manufacturing address and current UL recognition.
Equipment & in-house processing
Not independently verifiedNo supporting record has been reviewed for this category.
Qualification request: Machine inventory, location and evidence that the relevant process runs at the quoted site.
Material traceability
Not independently verifiedNo supporting record has been reviewed for this category.
Qualification request: Laminate grade, supplier documentation and traceable production-batch records.
Sources & review record.
Reviewed 2026-09-20. Manufacturer pages can change; confirm the current revision when requesting a quotation.
- SCCscc.com.cnOfficial website
- SCCscc.com.cnOfficial website
- SCCscc.com.cnOfficial website
Company names and images identify the source manufacturer. Listing does not imply endorsement, partnership, account participation or completion of a factory audit.
Make the first technical conversation useful.
Which manufacturing site and stack-up are proposed, and what are the finished-hole and insertion-loss acceptance criteria?
Attach the manufacturing brief
Layer stack-up, finished dimensions, copper weights, laminate grade, quantity and delivery destination.
Define acceptance
Finished-hole tolerance, impedance targets, coupon requirements, surface finish and permitted process substitutions.
Confirm the recipient
Agree the manufacturing legal entity, confidentiality terms and approved site before sharing production files.