What this manufacturer makes
Welgao describes double-sided and multilayer PCB production with an emphasis on heavy copper, Mini LED and planar-transformer boards. Its company profile distinguishes the Jiangxi business from its Huizhou subsidiary and Thailand operation. The directory lists the group once, avoiding duplicate manufacturer entries.
Official company source reviewed- Manufacturing focus
- Heavy-copper PCB · Mini LED boards · Planar-transformer PCB
- Published footprint
- Ji’an · Huizhou · Thailand, as described on the company page
- Listing and account
- Independently researched · factory account not claimed
Heavy-copper and power PCB
Manufacturer reportedPortfolio disclosure. The online process table needs column-by-column confirmation before numerical values can be used safely.
- Layer count
- Layer range not disclosed
- Line / space
- Not disclosed for this profile
- Finished hole
- Not confirmed
- Impedance
- Not disclosed for this profile
| Board offering | Double-sided and multilayer PCB |
|---|---|
| Power applications | Heavy copper and planar transformers |
| Display applications | Mini LED photoelectric boards |
| Technical source | welgao.com · 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.
- About Uswelgao.comOfficial website
- Process capabilitywelgao.comOfficial 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 plant and copper stack-up are proposed, and what thermal cycling, flatness and minimum-spacing criteria will be committed for this power 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.