Manufacturing context
Longteng Electronics lists multilayer PCB — production process range in its official manufacturing documentation. Production layer ceiling: 26 layers. Production board thickness: 0.4–6.0 mm. Maximum processing size: 570 × 760 mm. Production HDI construction: 2+N+2; confirm proposed stack-up. Production column of the sample/production comparison. The separate 1–20-layer general table is not combined with this column. Mechanical drill sizes are not treated as finished-hole specifications. Which stack-up, laminate grade, finished copper and acceptance criteria will be used for this board?
Official company source reviewed- Manufacturing focus
- Prototype through volume production · Communications and industrial PCBs · Automotive circuit boards
- Published footprint
- Hubei
- Listing and account
- Independently researched · factory account not claimed
Multilayer PCB — production process range
Manufacturer reportedProduction column of the sample/production comparison. The separate 1–20-layer general table is not combined with this column. Mechanical drill sizes are not treated as finished-hole specifications.
- Layer count
- Up to 26 layers
- Line / space
- 0.0762 / 0.0762 mm
- Finished hole
- Not confirmed
- Impedance
- ±8%
| Production layer ceiling | 26 layers |
|---|---|
| Production board thickness | 0.4–6.0 mm |
| Maximum processing size | 570 × 760 mm |
| Production HDI construction | 2+N+2; confirm proposed stack-up |
| Technical source | ltepcb.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.
- Longteng Electronics — product and technical documentationhttp://www.ltepcb.com/capability.htmlSource checked 2026-09-21Official website
- Longteng Electronics — company informationhttp://www.ltepcb.com/about_us.htmlSource checked 2026-09-21Official website
- Longteng Electronics — company informationhttp://www.ltepcb.com/Source checked 2026-09-21Official website
- Longteng Electronics — company informationhttp://www.ltepcb.com/products/935627834372481024.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.