Flexible PCB Manufacturing

Our facilities are equipped for Single-sided, double-sided and multilayer flexible PCB manufacturing with support for controlled impedance, stiffeners, EMI shielding, rigid-flex constructions and advanced surface finishes.

Prototype • Production • Single-Sided • Double-Sided • Multilayer Flex PCBs

Ready to Get Your Flexible PCB Quote?

Upload your Gerber files and project requirements. Our engineering team will review your design and prepare a detailed quotation.

✓ Files Manually Reviewed by PCB Engineers

1Project

2Specifications

3Files

4Contact

Step 1 of 4 — Project

What do you need today?

Choose the closest option. If you are not sure, our engineers can help.

▣ Rigid PCB 〰 Flexible PCB ⛓ Rigid-Flex PCB ⚙ PCB Assembly ? Not sure / Need advice

Project details

Answer only what applies to your selected service. You can leave technical details blank if they are already inside your files.

Rigid PCB manufacturing details

Estimated quantity required * Project stage (optional) Layers Material Thickness Surface finish Delivery urgency

Flexible PCB details

Estimated quantity required * Project stage (optional) Layers Base material FPC thickness Surface finish Stiffeners required? Delivery urgency

Rigid-Flex PCB details

Estimated quantity required * Project stage (optional) Total layers Material Final thickness Surface finish Stiffeners required? Delivery urgency

PCB assembly details

This section is focused on SMT/assembly only. No PCB layer or finish questions.

Assembly quantity required * Project stage (optional) Do you need component sourcing? PCB bare boards BOM available? Pick & Place file available? Delivery urgency

Tell us what you are trying to build

Estimated quantity required * Project stage (optional) What help do you need? Delivery urgency

Not sure about all project specifications? No problem. Enter the estimated quantity and upload your files in the next step. Our engineering team will review them and help identify any missing information.

Upload your files

Gerber ZIP is recommended. You may upload multiple files such as BOM, Pick & Place, drawings, or PDFs. You can remove a file before submitting if needed.

Drag & Drop Your PCB Files Here or click to browse files ZIP, RAR, PDF, XLSX, CSV, DOC

Contact details

Where should our engineering team send the quotation?

Name Company Email Phone / WhatsApp Country

Message

Technical Capabilities

Materials & Construction

Capability	Specification
Base Material	PI, FR4, PET Cu
Flexible Insulator	PI 12.5µm–127µm / PET 12.5µm–127µm
Copper Type	Rolled Annealed (RA), Electrodeposited (ED)
Copper Thickness	12µm–200µm (1/3 oz–6 oz)
Adhesive	Acrylic Adhesive 12.5µm–76µm
Coverlay	PI / PET

Layer & Structure Capability

Capability	Specification
Layer Count	1–8 Layers
Single-Sided Flex	Supported
Double-Sided Flex	Supported
Multilayer Flex	Supported
Rigid-Flex PCB	Supported
Rigid-Flex Thickness	3–125 mil

Manufacturing Capability

Capability	Specification
Minimum Trace Width	1.5 mil
Minimum Spacing	1.5 mil
Minimum Hole (Mechanical)	Ø 0.15 mm
Minimum Hole (Laser)	Ø 0.05 mm
Minimum Pad	0.25 mm
Hole Tolerance	±0.05 mm

Mechanical Capability

Capability	Specification
Maximum Size	1420 × 400 mm
Minimum Size	2.5 × 2.5 mm
Outline Tolerance	±0.2 mm
Punch Die Tolerance	±0.075 mm
Laser Cut Tolerance	±0.05 mm

Surface Finishes

Capability	Specification
ENIG	Supported
Hard Gold	>0.05 µm
Immersion Tin	Supported
Immersion Silver	Supported
OSP	Supported

Advanced Features

Capability	Specification
Controlled Impedance	±10%
EMI Shielding Film	Supported
PI Stiffeners	0.075–0.3 mm
FR4 Stiffeners	0.2–3.0 mm
Steel Stiffeners	0.075–0.5 mm

Flexible PCB Applications

Flexible PCBs are used in compact, lightweight and high-reliability electronic products where space constraints, weight reduction and movement are important design requirements

Medical Devices

Portable diagnostic equipment, patient monitoring systems, wearable healthcare devices and compact medical electronics.

Consumer Electronics

Smartphones, tablets, cameras, gaming devices and other compact consumer products requiring lightweight interconnections.

Wearable Devices

Smart watches, fitness trackers and wearable electronics where flexibility and weight reduction are critical.

Automotive Electronics

Displays, lighting systems, sensors, cameras and space-constrained automotive electronic modules.

Industrial Automation

Sensors, control systems, industrial equipment and electronic modules requiring reliable flexible interconnections.

Telecom

RF modules, antennas, communication equipment and networking products requiring lightweight circuit solutions.

Why Choose Kejie for Flexible PCB Manufacturing?

Engineering support, manufacturing expertise and transparent communication help reduce risk and simplify flexible PCB procurement

Flexible PCB Expertise

Experience manufacturing single-sided, double-sided, multilayer and rigid-flex PCB constructions for a wide range of industries.

Engineering Review

Project files are reviewed before production to identify manufacturability considerations and reduce potential issues.

Prototype to Production

Support for prototype builds, pilot runs and ongoing production requirements with consistent manufacturing quality.

Transparent Communication

Direct communication with our team throughout quotation and production helps reduce delays and misunderstandings.