Manufacturing context
Huilihua / Suzhou Circuit lists hDI printed circuit board service in its official manufacturing documentation. Technology: High-density interconnect PCB. Related construction: Conventional multilayer PCB. Engineering input: Build-up sequence and microvia structure. Company-level product-family disclosure. Layer, routing and finished-hole limits require a confirmed fabrication specification. Which HDI build-up, microvia structure and reliability tests are proposed for the submitted stack-up?
Official company source reviewed- Manufacturing focus
- HDI circuits · Multilayer PCBs · Suzhou manufacturing
- Published footprint
- Jiangsu
- Listing and account
- Independently researched · factory account not claimed

HDI printed circuit board service
Manufacturer reportedCompany-level product-family disclosure. Layer, routing and finished-hole limits require a confirmed fabrication specification.
- Layer count
- Layer range not disclosed
- Line / space
- Not disclosed for this profile
- Finished hole
- Not confirmed
- Impedance
- Not disclosed for this profile
| Technology | High-density interconnect PCB |
|---|---|
| Related construction | Conventional multilayer PCB |
| Engineering input | Build-up sequence and microvia structure |
| Technical source | suzhoucircuit.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.
- Huilihua / Suzhou Circuit — company informationhttps://www.suzhoucircuit.com/about/Source checked 2026-09-21Official website
- Huilihua / Suzhou Circuit — company informationhttps://www.suzhoucircuit.com/aboutus/Source checked 2026-09-21Official website
- Huilihua / Suzhou Circuit — company informationhttps://www.suzhoucircuit.com/Source 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 HDI build-up, microvia structure and reliability tests are proposed for the submitted stack-up?
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.

