Manufacturing context
Haiying Electronics lists multilayer PCB — first capability column in its official manufacturing documentation. Maximum layer count: 12, first column. Board thickness: 0.4–4.0 mm. Inner-layer copper: Up to 4 oz, first column. Outer-layer copper: Up to 5 oz, first column. First capability column only. The separate 18-layer and 3 mil entries are not combined with these values. Confirm the factory’s current acceptance criteria for the proposed construction. Which stack-up, laminate grade, finished copper and acceptance criteria will be used for this board?
Official company source reviewed- Manufacturing focus
- Double-sided and multilayer PCBs · HDI and rigid-flex · Metal-substrate circuits
- Published footprint
- Sichuan
- Listing and account
- Independently researched · factory account not claimed

Multilayer PCB — first capability column
Manufacturer reportedFirst capability column only. The separate 18-layer and 3 mil entries are not combined with these values. Confirm the factory’s current acceptance criteria for the proposed construction.
- Layer count
- Up to 12 layers
- Line / space
- 0.1 / 0.1 mm
- Finished hole
- Not confirmed
- Impedance
- Not disclosed for this profile
| Maximum layer count | 12, first column |
|---|---|
| Board thickness | 0.4–4.0 mm |
| Inner-layer copper | Up to 4 oz, first column |
| Outer-layer copper | Up to 5 oz, first column |
| Technical source | haiyingchina.com.cn · 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.
- Haiying Electronics — product and technical documentationhttps://www.haiyingchina.com.cn/Manufacturing.htmlSource checked 2026-09-21Official website
- Haiying Electronics — company informationhttps://www.haiyingchina.com.cn/about.htmlSource checked 2026-09-21Official website
- Haiying Electronics — company informationhttps://www.haiyingchina.com.cn/Source checked 2026-09-21Official website
- Haiying Electronics — company informationhttps://www.haiyingchina.com.cn/product_detail/7.htmlSource checked 2026-09-21Official website
- Haiying Electronics — company informationhttps://www.haiyingchina.com.cn/product_detail/6.htmlSource 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.

