Built to bend. Forever.
Hongyi Precision Circuit delivers turnkey FPC / FPCA manufacturing — from automotive column switches to humanoid robot hands — across single-sided, double-sided, multilayer and rigid-flex builds. Controlled end to end under IATF 16949, with samples in 3-4 days and volume delivery in 7-8 days.
Their stalk switch flex cleared a million bend cycles with no breaks — two years in production, not one bad batch.
3-4days
Sample lead time
7-8days
Production lead time
10yrs+
Engineering experience
40-70pcs
Flex circuits per robot
Who we are
A flex circuit partner you can build on
We serve automotive electronics, sensors, actuators, AI vision interconnect and robotic dexterous hands. Backed by automotive-grade quality management, an experienced engineering team, a stable supply chain and full-process validation, we deliver highly reliable, consistent and fully traceable flexible circuit solutions.
Automotive-grade quality
Certified to IATF 16949, ISO 9001 and ISO 14001, serving automotive and consumer electronics customers.
Turnkey FPCA
From flex fabrication through to assembly in one place, reducing hand-offs and supply chain risk.
Greater Bay Area supply chain
Based in Chang’an, Dongguan, leveraging a mature electronics cluster for cost-effective, dependable supply.
Why Hongyi
Automotive-grade reliability, at production volume
To meet automotive and humanoid robotics demands, we invest continuously in quality, delivery and validation.
Certified quality
Certified to ISO 9001:2015, ISO 14001:2015 and IATF 16949:2016, allowing us to serve the differing needs of automotive and consumer electronics customers worldwide.
Fast turnaround
Samples in 3-4 days to shorten your development cycle, and volume delivery in 7-8 days as part of a turnkey FPCA service.
Experienced engineers
Our R&D team brings together engineers with more than ten years in flexible circuits, offering cost-effective solutions across varied products and quality targets.
Manufacturer-direct pricing
Drawing on the Greater Bay Area electronics cluster, we manage cost across the whole chain to offer excellent value without compromising automotive FPC quality.
One-on-one support
One-to-one fault diagnosis, technical guidance and matched solutions, with responsive after-sales handling that minimises production losses.
Reliability testing
We focus on performance, temperature endurance, flex life and conductive stability, controlling quality from incoming inspection and sample testing through to finished-product ageing trials.
Products
A flex circuit portfolio for automotive and robotics
From automotive column switches to humanoid dexterous hands, six product families span a wide range of structures and reliability grades.
Switch interconnect
Automotive column switch FPC
A column switch and e-shifter signal interconnect that replaces conventional wiring harnesses and withstands repeated actuation.
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Body control
Automotive wiper FPC
Flexible interconnect for wiper motors and speed selection, resistant to humidity and thermal shock.
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Sensor interconnect
Automotive sensor FPC
Highly consistent signal interconnect flex for the full range of vehicle sensors.
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Drive interconnect
Actuator FPC
Flexible drive interconnect for compact in-cabin motors and actuators.
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Humanoid robotics
Dexterous hand sensing FPC
High-density tactile sensing flex that determines the feel and service life of a dexterous hand.
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Humanoid robotics
Coreless motor FPC
Precision flexible interconnect for coreless motors and joint drives.
View detailsApplications
Focused on automotive components and humanoid robotics
We do more than supply panels: we take part in your mechanical design and reliability validation so the solution stays stable once it reaches volume production.
Automotive electronics
As vehicles electrify and get smarter, FPC is replacing conventional harnesses across smart cockpits and body control.
Learn more
Humanoid robotics
A single humanoid robot uses 40-70 flexible circuits across joint drives, tactile dexterous hands and vision modules.
Learn more
Sensors and actuators
Weak-signal sensing and repeatedly actuated mechanisms place a dual demand on consistency and durability.
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AI vision and interconnect
Vision modules and AI inference units need dense, low-loss interconnect that still bends.
Learn moreQuality
Tested at every stage, from incoming material to shipment
We run full-process validation against demanding criteria for automotive flexible circuits, covering performance, temperature endurance, flex life and conductive stability.
- 100%
- E-test coverage
- 3
- Certifications
- AOI
- Automated optical inspection
- 24h
- Response time
How we work
From enquiry to production in five steps
A standardised project rhythm that keeps both the sample and production phases predictable.
- STEP 1
Drawing review
We take in your Gerber files and specification, then return a manufacturability analysis and process recommendations.
- STEP 2
Stack-up sign-off
We jointly confirm stack-up, materials, stiffeners and bend-area design to remove volume production risk.
- STEP 3
Engineering samples
Samples delivered in 3-4 days, accompanied by a first article inspection report.
- STEP 4
Pilot run validation
Temperature, flex life and conductive stability validation to confirm line capability.
- STEP 5
Volume delivery
Volume delivery in 7-8 days, with ongoing yield tracking and technical after-sales support.
News
Industry developments and technical notes
Tracking progress in automotive FPC and flexible circuits for humanoid robotics.
Humanoid robot FPC demand surges as the supply chain accelerates
Industrial delivery of humanoid robots has picked up pace recently, driving rapid growth in the market for dedicated high-reliability FPC. A single humanoid robot uses 40-70 flexible circuits across joint drives, tactile dexterous hands and vision modules, raising the bar for dynamic flex life and signal density.
Read moreFive design essentials for humanoid dexterous hand FPC
As humanoid robots reach volume production, the five-finger dexterous hand has become a core interaction component, and its internal high-density tactile sensing FPC now determines how the hand feels and how long it lasts. Compared with consumer electronics flex, it faces far tougher constraints on space, bending and consistency.
Read moreAutomotive FPC penetrates core vehicle components
As vehicle electrification and intelligence continue to accelerate, flexible printed circuits are replacing conventional wiring harnesses across EV powertrain, smart cockpit and body control components, thanks to light weight, high flex endurance, dense integration and resistance to temperature extremes and vibration.
Read moreSend us your drawings
Share your Gerber files or specification and our engineering team will assess manufacturability, advise on process and stack-up, then move your project through sampling and volume production to automotive standards.
- Manufacturability analysis and stack-up advice
- Samples in 3-4 days, volume in 7-8 days
- Quality managed to IATF 16949
- Turnkey FPC through to FPCA assembly