Manufacturing context
Huihe Circuit lists multilayer PCB — volume-production process in its official manufacturing documentation. Volume layer range: 1–20 layers. Volume board thickness: 0.20–4.00 mm. Maximum volume dimensions: 500 × 600 mm. Outline accuracy: ±0.13 mm, volume column. Volume-production column only. The sample 2–28-layer and general 2–30-layer statements are not combined with this envelope. Which stack-up, laminate grade, finished copper and acceptance criteria will be used for this board?
Official company source reviewed- Manufacturing focus
- Multilayer PCBs · High-frequency and mixed dielectrics · Prototype and volume production
- Published footprint
- Jiangxi
- Listing and account
- Independently researched · factory account not claimed

Multilayer PCB — volume-production process
Manufacturer reportedVolume-production column only. The sample 2–28-layer and general 2–30-layer statements are not combined with this envelope.
- Layer count
- 1–20 layers
- Line / space
- 0.1 / 0.1 mm
- Finished hole
- Not confirmed
- Impedance
- Not disclosed for this profile
| Volume layer range | 1–20 layers |
|---|---|
| Volume board thickness | 0.20–4.00 mm |
| Maximum volume dimensions | 500 × 600 mm |
| Outline accuracy | ±0.13 mm, volume column |
| Technical source | hhcircuit.com · Manufacturer specification |
These are separate published limits, not a promise that every combination is manufacturable. Unknown values are excluded from numerical filtering.
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 2026-09-21. Manufacturer pages can change; confirm the current revision when requesting a quotation.
- Huihe Circuit — product and technical documentationhttps://www.hhcircuit.com/abouthuihepcb/processcapacitySource checked 2026-09-21Official website
- Huihe Circuit — company informationhttps://www.hhcircuit.com/abouthuihepcbSource checked 2026-09-21Official website
- Huihe Circuit — company informationhttps://www.hhcircuit.com/Source checked 2026-09-21Official website
- Huihe Circuit — company informationhttps://www.hhcircuit.com/products/multilayerpcbSource checked 2026-09-21Official website
- Huihe Circuit — company informationhttps://www.hhcircuit.com/archives/8379Source checked 2026-09-21Official 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 stack-up, laminate grade, finished copper and acceptance criteria will be used for this board?
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.

