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Double-layer flexible PCB product

Leading Flexible PCB Manufacturer

High-Quality Custom Flex Circuits & Rigid-Flex Solutions for Consumer Electronics, Automotive, Medical & IoT

20+ Years Flex PCB Expertise
ISO 9001 & IPC-A-600 Certified
5 Day Sample Delivery | Full Volume Production
WhatsApp Chat
YC PCBs modern manufacturing facility exterior

About YC PCBs

Founded in 2001, YC PCBs is a leading manufacturer of flexible and rigid-flex circuit boards in Asia-Pacific. With over two decades of specialized experience in flex PCB manufacturing, we've delivered billions of units to global leaders in consumer electronics, automotive, medical, and IoT industries.

Our expertise spans single/dual/multilayer flexible circuits, with capabilities in complex geometries, high-density designs, advanced materials (polyimide, FCCL, specialty substrates), and precision manufacturing with finest lines/spaces and tolerances. We combine cutting-edge manufacturing technology with hands-on engineering support, ensuring your designs not only meet specs but exceed reliability expectations.

20+

Years Industry Experience

500+

Active Global Clients

Learn More About Us →

Customer Gallery

Flexible PCB Capabilities & Specifications

Complete manufacturing range covering single-layer to multi-layer flex circuits with precision engineering

PCB Layers

  • Single-layer flex
  • Double-layer flex
  • Multi-layer (up to 8L)
  • Rigid-flex combinations

Precision & Tolerances

  • Line width: 0.075mm min
  • Line spacing: 0.075mm min
  • Hole diameter: ±0.05mm
  • HDI capable

Bend Radius

  • Minimum: 3mm radius
  • Dynamic flex rated
  • Static and dynamic
  • 100K+ bend cycles

Materials & Substrates

  • Polyimide (PI)
  • PET & specialty polymers
  • PTFE (high frequency)
  • LCP & advanced options

Copper Weight & Plating

  • ½ oz to 3 oz copper
  • Gold, silver, tin plating
  • HASL & OSP finishes
  • Custom thickness

Special Features

  • EMI shielding & impedance
  • Coverlay & solder mask
  • High-frequency designs
  • Adhesiveless & advanced
Double-layer flexible PCB sample

Double-Layer Flex

LED flexible PCB circuit board

LED Flex PCB

Multi-layer 4-layer flex PCB circuits

Multi-Layer Flex

Double-sided rigid-flex PCB assembly

Rigid-Flex Board

Flexible PCB Applications & Industries

Our flex circuits power innovations across diverse sectors, from consumer devices to critical industrial systems

Smartphone flex PCB assembly
Consumer Electronics

Smartphones & Tablets

Flexible interconnects for folding displays, cameras, and high-density components

Key Need: Extreme miniaturization, bend durability

Wearable device flexible PCB
Wearables & IoT

Wearable Devices

Ultra-thin flex circuits for smartwatches, fitness trackers, and flexible sensors

Key Need: Low profile, repeated flexing tolerance

Automotive PCB assembly electronics
Automotive

Vehicle Electronics

Dashboard displays, sensor interconnects, and rigid-flex harnesses for automotive systems

Key Need: High reliability, thermal stability, vibration resistance

Medical device diagnostic equipment
Medical Devices

Diagnostic & Monitoring

Flex circuits for portable medical devices, implantables, and diagnostic equipment

Key Need: Biocompatibility, precision, rigorous reliability testing

Industrial automation robotic arm controller
Industrial & IoT

Industrial Controls

Sensor arrays, controller interconnects, and harsh-environment flex solutions

Key Need: Temperature range, chemical resistance, durability

LED street lighting fixture
LED Strip Solutions

LED Strips

Flexible circuit solutions for LED strip lights used in architectural lighting, signage, retail displays, and decorative illumination

Key Need: Flexibility, stable power delivery, heat dissipation, and reliable long-length performance

Trusted by Leading Brands Worldwide

OUR GLOBAL PARTNERS

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CUSTOMER SUCCESS STORIES

Customer testimonial 1

Consumer Electronics

Leading Smartphone Manufacturer

"YC PCBs delivered complex 6-layer flexible circuits for our foldable smartphone with exceptional precision. Their DFM support helped us reduce design iterations by 40% and hit our tight market timeline."

★★★★★
5/5 - Reliability & Speed
Customer testimonial 2

Automotive Electronics

Tier-1 Automotive Supplier

"Their rigid-flex PCBs for dashboard integration passed all automotive reliability standards. The technical team's support through environmental testing was invaluable—true partnership, not just supply."

★★★★★
5/5 - Technical Excellence
Customer testimonial 3

Medical Devices

Portable Diagnostics Company

"For our FDA-regulated portable diagnostic device, we needed flex circuits with hospital-grade reliability. YC's quality documentation, bend-cycle testing, and rapid sampling made all the difference in our approvals."

★★★★★
5/5 - Compliance & Quality
Customer testimonial 4

Wearables & IoT

Smart Wearable Startup

"As a startup, we needed flexible PCB support for volumes from 5K to 50K. YC scaled with us seamlessly, maintained quality at every volume point, and helped us stay under budget through design optimization."

★★★★★
5/5 - Scalability & Cost Control
Customer testimonial 5

Industrial Control

Factory Automation Provider

"High-temperature flex circuits for harsh factory environments—YC delivered with PI-based substrates rated to 260°C and provided accelerated thermal cycling validation. Their expertise saved us months of R&D."

★★★★★
5/5 - Specialized Solutions
Customer testimonial 6

Lighting Solutions

Smart LED Module Manufacturer

"Their LED-compatible flex PCBs with thermal vias improved heat dissipation by 35%, allowing us to reduce component count and final product cost. Exceptional engineering collaboration from day one."

★★★★★
5/5 - Performance Optimization

500+

Global Clients

Across 40+ countries

15B+

Units Shipped

Annually in production

99.2%

Quality Pass Rate

IPC-A-600 Standard

24/7

Technical Support

24-hour rapid response

How We Manufacture Flexible PCBs | Precision PCB Manufacturing Process

As a professional flexible PCB manufacturer, we follow a strict and controlled manufacturing process to ensure high reliability, precision, and consistent quality. From DFM analysis to final inspection, every step is optimized for performance and durability.

Design Review & DFM Analysis

As a professional flexible PCB manufacturer, we follow a strict and controlled manufacturing process to ensure high reliability, precision, and consistent quality. From DFM analysis to final inspection, every step is optimized for performance and durability.

Typical Duration: 24-48 hours

Raw Material Selection & Prep

We select the appropriate polyimide, copper foil, or specialized materials based on your specifications. Materials are inspected for quality before entering production.

Typical Duration: 12-24 hours

Photolithography & Pattern Transfer

High-precision light exposure transfers circuit patterns onto the flexible substrate. This step determines line width accuracy and feature definition. AOI inspection follows.

Typical Duration: 6-12 hours | Quality Checkpoint: ✓

Chemical Etching

Controlled chemical etching removes unwanted copper, forming precise traces and patterns. Our process minimizes substrate damage while achieving fine line resolution.

Typical Duration: 4-8 hours | Quality Checkpoint: ✓

Precision Drilling & Via Processing

Advanced CNC drilling creates vias (interconnection holes) with high accuracy. For multi-layer boards, we perform electroplating to create electrical connections between layers.

Typical Duration: 8-16 hours | Quality Checkpoint: ✓

Multi-Layer Lamination (if applicable)

For multi-layer flex boards, individual layers are carefully stacked and laminated under precise temperature and pressure control. Bond integrity is critical for reliability.

Typical Duration: 8-12 hours | Quality Checkpoint: ✓

Surface Finish & Coverlay Application

Coverlay is applied to protect circuits and enhance flexibility. Surface finishes such as ENIG, OSP, or immersion tin are applied to ensure solderability and oxidation resistance..

Typical Duration: 6-10 hours | Quality Checkpoint: ✓

Electrical & Functional Testing

100% of boards undergo electrical continuity testing, insulation resistance testing, and functional verification. Advanced testers catch any defects before shipment.

Typical Duration: 4-8 hours | Quality Checkpoint: ✓ CRITICAL

Final Inspection & Packaging

Final visual inspection for defects, solder drips, or cosmetic issues. Boards are carefully packaged in anti-static materials and prepared for shipment with full documentation.

Typical Duration: 4-6 hours | Quality Checkpoint: ✓

50-80 Hours

Typical Manufacturing Cycle

(From raw material to final inspection)

9 Quality Checkpoints

Critical Control Points

(Ensuring zero defects throughout)

< 0.1%

Defect Rate Target

(Industry-leading quality standard)

Why Leading Brands Choose YC PCBs

20+ Years Expertise

Specialized in flexible circuit manufacturing since founding

ISO 9001 & IPC Certified

Full quality assurance & international standards compliance

500+ Global Clients

Trusted by brands across electronics, automotive & medical

3-5 Day Samples

Fast turnaround from design approval to prototype delivery

Advanced Testing Lab

Complete reliability & quality verification for peace of mind

24/7 Technical Support

Dedicated engineering team ready to support your project

TECHNICAL EDUCATION

The Complete Guide to Flexible PCB Manufacturing

Everything you need to know about flexible circuit design, production, reliability, and supplier selection—from fundamentals to advanced optimization

What Is Flexible PCB?

Flexible Printed Circuit Boards (Flex PCB) are electrical circuits printed on thin, flexible substrates—typically polyimide films—that can bend, fold, and conform to three-dimensional shapes without losing electrical functionality.

Key Advantages Over Rigid PCB:

  • Space Savings: Eliminates bulky connectors and wiring harnesses
  • Design Freedom: Enables curved, folded, and complex 3D geometries
  • Weight Reduction: Critical for mobile, wearable, and aerospace applications
  • Improved Reliability: Reduces vibration-related failures in automotive and industrial use
  • High-Density Interconnection: Supports fine-pitch routing for dense component placement

Typical Applications: Smartphone foldables, wearables, automotive dashboards, medical devices, camera modules, and industrial sensors

Double-Layer Flexible PCB example

Why Choose Flex PCB? If your product needs to fit into tight spaces, bend without breaking, or integrate electronics into non-planar form factors, flexible PCB is likely the right choice. The manufacturing complexity is worth it for weight savings, reliability gains, and design innovation.

Still have questions? Our engineering team is ready to guide you through your specific project requirements.

COMMON QUESTIONS

Frequently Asked Questions

Clear answers for engineers, buyers, and sourcing teams evaluating flexible PCB and rigid-flex manufacturing options.

What flexible PCB layer counts can you support?

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What determines the minimum bend radius of a flex PCB?

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Do you support rigid-flex PCBs, and when are they worth using?

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What line width and spacing can you support for flex PCB designs?

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How long does it take to get flex PCB samples?

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Do you support low-volume prototypes and pilot runs?

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Why does flex PCB usually cost more than rigid PCB?

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Do you offer volume pricing for repeat programs?

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How do you evaluate flex PCB reliability?

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Can you support automotive or high-reliability flex PCB projects?

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Do you provide DFM review before production?

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What files should I send for quoting and engineering review?

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Can you support PCB assembly and component sourcing for flex projects?

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What happens if there is a problem after delivery?

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Why choose YC PCB for flex and rigid-flex sourcing?

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Need project-specific answers? Send your files and requirements for engineering review.

TRANSPARENT PRICING

Lead Time & Cost Reference

Get clear timelines and pricing insights. We believe in transparent communication to help you plan your projects.

Typical Lead Times

Prototypes / Samples

3-5 Days

Single/double-layer flex PCB samples. Includes design review and first-article inspection.

Low Volume (100-1,000 pcs)

5-7 Days

Multi-layer flex or complex designs. Full testing and quality certification included.

Volume Production (1,000+ pcs)

7-10 Days

Optimized production scheduling. Capacity reserved per your requirements.

Rush / Expedited

Consult

Contact us for accelerated options. Rush fees may apply based on complexity.

Tip: Lead times can be reduced by 20-30% through early design review and parallel processing.

What Affects Pricing?

1

Layer Count

Single-layer to 8+ layers. More layers = higher complexity & cost.

2

Material & Thickness

Polyimide, FCCL, specialty substrates. Premium materials increase cost.

3

Precision & Density

Fine traces (0.075mm) and HDI features require advanced processes.

4

Bend Radius & Design

Tight bends, complex shapes require special tooling & validation.

5

Order Quantity

Volume discounts applied at 500, 1,000, 5,000+ unit levels.

MOQ

No rigid minimum order quantity. We accommodate prototypes (1 piece) through high volumes (100k+ units).

Flexible Start

Quote Process

Submit design files → DFM review → Detailed quote with breakdown → Confirm timeline

24 hours

Quality Assurance

Every order goes through process control and functional inspection to help ensure stable quality, reliable assembly, and consistent delivery standards.

Controlled Quality

Upload your design files and receive a detailed quote within 24 hours

Ready to Transform Your Flex PCB Project?

Whether you're in the early design phase or ready to move to production, our team is here to support you. Let's discuss your flexible circuit requirements and find the perfect solution.

Free DFM Review

Upload your design & get a detailed manufacturability assessment

Quick Quote

Get transparent pricing within 24 hours of design submission

Fast Turnaround

Samples in 5days, production in 10 days

Chat on WhatsApp

Response time: 24 hours | Multi-language support | No obligations

ISO 9001

Quality Certified

IPC-A-600

IPC Compliant

24/7

Engineering Support

100%

On-Time Delivery

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