Enclosures & electromechanical
Your enclosure and your board, from one supplier.
Molded electronics enclosures plus PCBA from one supplier at JCH Design & Manufacturing. EVT/DVT/PVT support, tolerances and finishes handled, board assembly and enclosure built together through vetted partner factories. Send your spec for a quote.
Stop refereeing between an enclosure shop and a board house. JCH molds the enclosure, assembles the PCBA and brings them together with the tolerances, fit and finish handled — through EVT, DVT and PVT to production.

Why teams consolidate here
The hand-off between vendors is where programs slip.
When the case comes from one factory and the board from another, the mismatch is yours to own. We take that seam off your plate.
One owner for fit
The enclosure and the board are quoted, sampled and validated against each other — boss heights, standoffs, connector cut-outs and tolerances reconciled before tooling.
Enclosure plus PCBA
Molded or sheet-metal housing, assembled board, harness and final assembly under one program, inspected as a unit.
NPI without the hand-holding
EVT, DVT and PVT builds run with functional test defined up front, so you’re not debugging fit and firmware at the same time.
Capabilities
Everything between the spec and the finished unit.
Molded and metal enclosures, board assembly, harnessing and final assembly, finished to your cosmetic standard.
Molded enclosures
Injection-molded housings with the bosses, snaps, living hinges and connector cut-outs designed for the board inside.
Sheet-metal & die-cast
Bent and welded sheet-metal enclosures and die-cast housings where the application needs ruggedness or shielding.
PCBA assembly
SMT and through-hole assembly, component sourcing to a named BOM, and conformal coat where the environment calls for it.
Functional test
Test fixtures and pass/fail functional test defined with you and run on every unit, not just a sample.
Finishing
Texture, paint, pad-print and laser mark to a cosmetic standard you approve as a golden sample.
Final assembly & pack
Board into enclosure, harness, label, kit and retail-ready pack — shipped as a finished unit.


Materials & construction
Specified once, then held.
Pinned down before sampling, so there is nothing to argue about once a lot is running.
- Molded materialsABS, PC, PC/ABS, nylon, glass-filled grades; UL-rated resins where specified
- Wall & bossWalls and boss heights set to the board stack-up and screw spec
- TolerancesConnector cut-outs, snaps and standoffs held to the fit you need
- FinishesTexture, paint, pad-print, laser mark — to an approved golden sample
- BoardSMT & through-hole, named BOM, functional test on every unit
- IngressGasket and seal design where an IP rating is required

How it works
From your files to packaged units.
- Send both specsMechanical drawing or CAD and the board files or BOM. We sign your NDA first.
- Reconcile fitWe check the board stack-up against the enclosure and flag tolerance conflicts before tooling.
- Quote as one programEnclosure tooling, PCBA and final assembly quoted together, not as three disconnected bids.
- Validate in stagesEVT, DVT and PVT builds with functional test defined up front.
- Assemble & shipBoard into case, tested as a unit, finished, labeled and packed retail-ready.
Questions
What buyers ask first.
Can you really do the enclosure and the board together?
Yes — that’s the point. We quote, sample and validate the molded (or metal) enclosure and the PCBA against each other, so the fit, connector cut-outs and tolerances are reconciled before tooling rather than at assembly.
Do you support EVT / DVT / PVT?
Yes. We run engineering, design-validation and process-validation builds with functional test defined up front, and carry the learnings from each stage into the next.
What materials and ratings can you hit?
ABS, PC, PC/ABS, nylon and glass-filled grades, including UL-rated resins where your application requires them. We design gaskets and seals when an IP rating is specified. Partner-factory UL and ISO credentials are verified — never represented as JCH’s own.
Who sources the components?
We source to your named BOM. Where a part is constrained, we flag it and propose a qualified alternative for your approval rather than silently substituting.
Do you do final assembly and retail packaging?
Yes — board into enclosure, harnessing, labeling, kitting and retail-ready packaging, shipped as a finished unit.
Related
One supplier for the whole unit.
Book 15 minutes with Jack and walk through the device. He’ll tell you how to run the enclosure and the board as a single program.
Ask for time with Jack