Manufacturing context
Huayan Huihai Electronics lists double-sided PCB manufacturing in its official manufacturing documentation. Layer count: 2. Construction: Rigid double-sided printed circuit board. Factory location reported: Huangtian, Shenzhen. Company manufacturing scope. Equipment and quality-system disclosures are not independent product or factory verification. Which stack-up, laminate grade, finished copper and acceptance criteria will be used for this board?
Official company source reviewed- Manufacturing focus
- Double-sided PCBs · Multilayer boards · Power and industrial electronics
- Published footprint
- Guangdong
- Listing and account
- Independently researched · factory account not claimed
Double-sided PCB manufacturing
Manufacturer reportedCompany manufacturing scope. Equipment and quality-system disclosures are not independent product or factory verification.
- Layer count
- 2 layers
- Line / space
- Not disclosed for this profile
- Finished hole
- Not confirmed
- Impedance
- Not disclosed for this profile
| Layer count | 2 |
|---|---|
| Construction | Rigid double-sided printed circuit board |
| Factory location reported | Huangtian, Shenzhen |
| Technical source | szhyhh.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.
- Huayan Huihai Electronics — product and technical documentationhttp://www.szhyhh.com.cn/about/gongsijianjie.htmlSource checked 2026-09-21Official website
- Huayan Huihai Electronics — company informationhttp://www.szhyhh.com.cn/about/zuzhijiagou.htmlSource checked 2026-09-21Official website
- Huayan Huihai Electronics — company informationhttp://www.szhyhh.com.cn/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 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.