Manufacturing context
Shangjihong Circuit lists rF hybrid PCB — 2 to 14 layers in its official manufacturing documentation. RF mixed-material range: 2–14 layers. Material families listed: PTFE, FR-4 and high-Tg laminates. General manufacturing method: Film imaging and LDI; process assignment to be confirmed. RF hybrid range only. General 30-layer, fine-line and drilling ceilings are not assumed to apply simultaneously to RF mixed-material boards. Which laminate grade, copper profile, stack-up and RF measurement criteria are included in the quotation?
Official company source reviewed- Manufacturing focus
- RF and microwave boards · Mixed-material multilayers · Quick-turn samples
- Published footprint
- Guangdong
- Listing and account
- Independently researched · factory account not claimed
RF hybrid PCB — 2 to 14 layers
Manufacturer reportedRF hybrid range only. General 30-layer, fine-line and drilling ceilings are not assumed to apply simultaneously to RF mixed-material boards.
- Layer count
- 2–14 layers
- Line / space
- Not disclosed for this profile
- Finished hole
- Not confirmed
- Impedance
- Not disclosed for this profile
| RF mixed-material range | 2–14 layers |
|---|---|
| Material families listed | PTFE, FR-4 and high-Tg laminates |
| General manufacturing method | Film imaging and LDI; process assignment to be confirmed |
| Technical source | sjhpcb.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.
- Shangjihong Circuit — product and technical documentationhttp://www.sjhpcb.com/manufacturing-capacitySource checked 2026-09-21Official website
- Shangjihong Circuit — company informationhttp://www.sjhpcb.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 laminate grade, copper profile, stack-up and RF measurement criteria are included in the quotation?
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.