MANUFACTURER DOSSIER

Xintonglian Circuits

Official sources reviewed2026-09-21 · Independently listed
MANUFACTURING FOCUS

Xintonglian Circuits at a glance

  • High-layer-count PCBs
  • HDI circuits
  • Flexible and metal-base boards
SOURCING QUESTION

Which stack-up, laminate grade, finished copper and acceptance criteria will be used for this board?

01 / COMPANY

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
Official catalogue image from Xintonglian Circuits. The pictured board does not establish a combined process limit.
Official catalogue image from Xintonglian Circuits. The pictured board does not establish a combined process limit. Manufacturer image · Representative image, not a delivered order.
02 / TECHNICAL PROFILE

High-layer-count PCB manufacturing

Manufacturer reported

Manufacturer 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
Conditions and published construction
Product familyHigh-layer-count multilayer PCB
Manufacturing location listedSuichuan, Jiangxi
Order definitionLayer stack, copper and test requirements
Technical sourcesztlpcb.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 →
03 / EVIDENCE REGISTER

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 verified

No supporting record has been reviewed for this category.

Qualification request: Legal holder, manufacturing address and current UL recognition.

Equipment & in-house processing

Not independently verified

No 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 verified

No supporting record has been reviewed for this category.

Qualification request: Laminate grade, supplier documentation and traceable production-batch records.

04 / SOURCE NOTES

Sources & review record.

Reviewed 2026-09-21. Manufacturer pages can change; confirm the current revision when requesting a quotation.

  1. Xintonglian Circuits — product and technical documentationhttp://www.sztlpcb.com/products/gaoduoceng.htmlSource checked 2026-09-21
    Official website
  2. Xintonglian Circuits — company informationhttp://www.sztlpcb.com/company-news/2018-06-12_68193.htmlSource checked 2026-09-21
    Official website
  3. Xintonglian Circuits — company informationhttp://www.sztlpcb.com/about.htmlSource checked 2026-09-21
    Official website
  4. Xintonglian Circuits — company informationhttp://www.sztlpcb.com/Source checked 2026-09-21
    Official website

Company names and images identify the source manufacturer. Listing does not imply endorsement, partnership, account participation or completion of a factory audit.

05 / PROCUREMENT NOTES

Make the first technical conversation useful.

PROFILE-SPECIFIC QUESTION

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.

Share with your sourcing team

Send the page to a colleague or save it in your project conversation.

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