Automotive Electronics
Plug Door System PCBA
PCB assembly for powered plug-door systems, with engineering, component sourcing and manufacturing support from prototype through repeat production.
View solution
FULL-STACK ODM DESIGN
Highly integrated domain controller design
More functions. One controller.
Leading capabilities in the comprehensive design of highly integrated, multi-domain fusion controllers for the body domain, enabling the consolidation of functions previously requiring multiple ECUs into a single controller.
The company holds IATF 16949 automotive quality management system certification; its hardware design processes fully comply with automotive-grade R&D standards, and core components meet AEC-Q100 reliability requirements. It possesses end-to-end in-house R&D capabilities, covering everything from schematic design and PCB layout to EMC (electromagnetic compatibility) design.
Discuss your designPRODUCT CASE STUDIES
Controller designs across applications
Explore JIEJIA products and the industry solutions they support.
Industrial Control
Industrial Robot PCBA
PCB assembly for industrial robot electronics, with engineering, component sourcing and manufacturing support from prototype through repeat production.
View solution
Industrial Control
Industrial Equipment Control PCBA
PCB assembly for industrial equipment control systems, with engineering, component sourcing and manufacturing support from prototype through repeat production.
View solution
Industrial Control
Industrial Communication PCBA
PCB assembly for industrial communication equipment, with engineering, component sourcing and manufacturing support from prototype through repeat production.
View solution
Industrial Control
Motor Control PCBA
PCB assembly for motor-control equipment, with engineering, component sourcing and manufacturing support from prototype through repeat production.
View solution
Industrial Control
Variable Frequency Drive PCBA
PCB assembly for variable-frequency drive electronics, with engineering, component sourcing and manufacturing support from prototype through repeat production.
View solutionDEVELOPMENT SCOPE
Hardware Development Scope
Eight connected services covering circuit design, embedded software, testing and production preparation.
Schematic Design
Circuit architecture, component selection and schematic development based on product requirements.
PCB Layout
Board placement, routing and stack-up planning with electrical performance and manufacturability in mind.
PCBA Stack Design
Coordinate board stacking, connectors and mechanical clearances for integrated electronic assemblies.
Embedded Software Development
Develop embedded firmware, device drivers and control logic to bring the hardware functions to life.
Hardware Debugging
Bring up prototype boards, check signals and power rails, and resolve hardware issues through bench testing.
Test Software Development
Build test routines and result reporting to support repeatable functional and production testing.
Process Planning
Define assembly steps, inspection points and production instructions for a controlled manufacturing process.
Test Fixture Design
Design fixtures and electrical interfaces for accurate, repeatable programming and product testing.
Engineering Capabilities
PCB Layout ability
Design experience across industrial, telecom and energy electronics.
Multilayer Layout Experience
300+ projects · 1,000+ boards
PCB layout experience spanning 2–20 layers, supporting board development from placement and routing through design review.
Power & High-Speed Design
1,500 VDC · 220 A
Power design and high-speed interface experience, including DDR4 and PCIe 3.0. Electrical limits are reviewed for each application.
Engineering Review & Applications
EMC · Thermal · Safety · DFM
Design reviews for industrial, telecom and energy electronics, connecting electrical requirements with manufacturing considerations.
First-Pass Performance
96% first-pass rate*
Layout checks and prototype test feedback help identify issues before production release. The reported rate excludes schematic-related issues.
Our Engineering Team
R&D Team
Software, hardware and project engineering working together from product concept to production.
Software Development Manager
Embedded systems & firmware
Coordinates embedded software architecture, device drivers and control logic. Works with hardware engineers on board bring-up, interface integration and debugging, and prepares software releases for prototype validation and production testing.
Hardware R&D Manager
Circuit design & PCB engineering
Coordinates schematic design, component selection and PCB layout reviews. Brings power, signal integrity, EMC, thermal and manufacturing requirements into the design process, with prototype findings used to guide each revision.
Project Engineer
Validation & production handover
Connects customer requirements with development milestones, prototype builds and manufacturing preparation. Coordinates technical documentation, test requirements and issue tracking so design decisions carry through to production.
PCB Layout Engineer
High-speed routing & board layout
Develops component placement, routing and stack-ups for multilayer boards. Reviews signal paths, power distribution and manufacturing constraints, and coordinates layout revisions with the hardware team before release.
Validation Engineer
Test development & reliability
Plans prototype validation and functional tests around product requirements. Reviews test results, investigates unexpected behavior and works with development engineers to resolve issues before the next build.
Manufacturing Engineer
DFM & NPI coordination
Reviews assembly processes, test access and production documentation. Coordinates pilot-build feedback with design teams, helping translate approved hardware into a consistent and repeatable manufacturing process.
F & Q
PCB design questions
Project files, prototyping, component selection and testing — practical answers for your next project.
Send your BOM, Gerber or ODB++ files, drawings and test requirements. For design work, include a functional specification and interface requirements.
Yes. Describe your quantity, target application and validation plan so the team can coordinate the appropriate build.
The team reviews the BOM and can discuss component availability, qualification needs and proposed alternatives.
Share your functional and reliability requirements. Inspection and test coverage are agreed during engineering review.
Complete the project form and prepare an email for our engineering team. Attach the technical files before sending.
Contact Us
Start Your Project
Tell us about your requirements — our engineering team responds with a professional quote within 24 hours.
Jiejia Intelligent Manufacturing Industrial Internet (Shenzhen) Co., Ltd.
A one-stop EMS manufacturer from Shenzhen, China.
Shenzhen Factory
5F, Building 2, Zhongyuntai Tech Industrial Park, Songbai Rd., Shiyan, Bao'an, Shenzhen, China
Dongguan Factory
dongguan
Suzhou Factory
suzhou
Contact Person
Ms. Zheng Jialing
Phone
Working hours: 9:00 – 18:00 (GMT+8) Engineering team responds to RFQs within 24 hours