What this manufacturer makes
Xintonglian Circuits describes manufacturing operations in Suichuan, Jiangxi and a related Shenzhen Tonglian business. Its official profile dates the Jiangxi operation to 2015 and Shenzhen Tonglian to 2006. The product portfolio includes multilayer PCBs, HDI, flexible circuits and metal-base boards, with assembly services also described. The high-layer product family below records bare-board manufacturing scope; procurement should separately identify any assembly work and the plant responsible for each process.
Official company source reviewed- Manufacturing focus
- High-layer-count PCBs · HDI circuits · Flexible and metal-base boards
- Published footprint
- Jiangxi
- Listing and account
- Independently researched · factory account not claimed

High-layer-count PCB manufacturing
Manufacturer reportedManufacturer product-family disclosure. A numerical layer ceiling is not inferred from the phrase high-layer-count.
- Layer count
- Layer range not disclosed
- Line / space
- Not disclosed for this profile
- Finished hole
- Not confirmed
- Impedance
- Not disclosed for this profile
| Product family | High-layer-count multilayer PCB |
|---|---|
| Manufacturing location listed | Suichuan, Jiangxi |
| Order definition | Layer stack, copper and test requirements |
| Technical source | sztlpcb.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 2026-09-21. Manufacturer pages can change; confirm the current revision when requesting a quotation.
- Xintonglian Circuits — product and technical documentationhttp://www.sztlpcb.com/products/gaoduoceng.htmlSource checked 2026-09-21Official website
- Xintonglian Circuits — company informationhttp://www.sztlpcb.com/company-news/2018-06-12_68193.htmlSource checked 2026-09-21Official website
- Xintonglian Circuits — company informationhttp://www.sztlpcb.com/about.htmlSource checked 2026-09-21Official website
- Xintonglian Circuits — company informationhttp://www.sztlpcb.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 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.

