Manufacturing context
Cojoin Circuits lists rigid-flex circuit manufacturing in its official manufacturing documentation. Construction: Combined rigid and flexible circuit regions. Product family: Rigid-flex printed circuit board. Drawing inputs: Rigid/flex stack-ups, transition and bend requirements. Rigid-flex product-family disclosure. Bend radius, cycle life and layer arrangement are not inferred from the catalogue image. Which rigid and flexible layer arrangement, bend radius and qualification tests apply to this construction?
Official company source reviewed- Manufacturing focus
- Rigid-flex circuits · HDI PCBs · Embedded-component technology
- Published footprint
- Guangdong
- Listing and account
- Independently researched · factory account not claimed

Rigid-flex circuit manufacturing
Manufacturer reportedRigid-flex product-family disclosure. Bend radius, cycle life and layer arrangement are not inferred from the catalogue image.
- Layer count
- Layer range not disclosed
- Line / space
- Not disclosed for this profile
- Finished hole
- Not confirmed
- Impedance
- Not disclosed for this profile
| Construction | Combined rigid and flexible circuit regions |
|---|---|
| Product family | Rigid-flex printed circuit board |
| Drawing inputs | Rigid/flex stack-ups, transition and bend requirements |
| Technical source | cojoin.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.
- Cojoin Circuits — product and technical documentationhttp://www.cojoin.com.cn/Rigid_flex_joint_plate/index.htmlSource checked 2026-09-21Official website
- Cojoin Circuits — company informationhttp://www.cojoin.com.cn/aboutus/index.htmlSource checked 2026-09-21Official website
- Cojoin Circuits — company informationhttp://www.cojoin.com.cn/Source checked 2026-09-21Official website
- Cojoin Circuits — company informationhttp://www.cojoin.com.cn/yezhi/index.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 rigid and flexible layer arrangement, bend radius and qualification tests apply to this construction?
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.

