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

High-layer-count PCB manufacturing
Manufacturer reportedXintonglian Circuits lists high-layer-count PCB manufacturing in its official manufacturing documentation. Product family: High-layer-count multilayer PCB. Manufacturing location listed: Suichuan, Jiangxi. Order definition: Layer stack, copper and test requirements. Manufacturer product-family disclosure. A numerical layer ceiling is not inferred from the phrase high-layer-count. Which stack-up, laminate grade, finished copper and acceptance criteria will be used for this board?

Manufacturer product-family disclosure. A numerical layer ceiling is not inferred from the phrase high-layer-count.
| 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 |
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
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.

