Ebest Circuit (Best Technology) Co., Ltd

CUSTOM FLEX PCB FABRICATION & MANUFACTURING

Flexible PCB Fabrication Built Around Your Design

Custom FPC manufacturing with engineering review before production release

Custom single-sided, double-sided, and multilayer flexible circuits with engineering support, material options, and quality-controlled fabrication for prototypes and production orders.

  • Custom Stackups
  • Fine-Line Circuits
  • DFM Support
  • Prototype to Production
Bare multilayer shaped flexible PCB manufacturing sample
Multilayer Shaped FPC Sample

FLEXIBLE PCB PRODUCT

Multilayer Shaped Flexible PCB

Review focus
Layer stackup and shaped outline
Input
Gerber and fabrication drawing
Purpose
Manufacturability review

20+ YEARS. ONE FPC PARTNER.

Move Your Flex PCB Project Forward with Confidence.

Engineering Support · Prototype · Production

FREE DFM BEFORE YOU ORDER.

Catch Manufacturing Risks Before They Cost You.

Stackup · Bend Areas · Stiffeners · Tolerances

NO MOQ. ORDER WHAT YOU NEED.

Start with One Prototype—or Scale When Ready.

Prototype · Small Batch · Volume Production

QUALITY CHECKED. DELIVERED ON TIME.

Built to Approved Specs. Tracked to Your Schedule.

Process Control · Electrical Test · Delivery Follow-Up

CUSTOM FLEXIBLE PCB PRODUCTS

Flexible PCB Manufacturing Capabilities

Choose the bare-board construction that fits your routing, bend and installation requirements. Final capability is confirmed against the supplied fabrication files.

Bare single-sided gold-finger flexible PCB sample

Single-Sided Flex PCB

A compact bare FPC option for straightforward routing and space-constrained interconnects.

Bare flexible connector circuit sample

Flexible Connector Circuit

Custom outline, contact and stiffener details for board-to-board flexible connections.

Bare four-layer impedance flexible PCB sample

Four-Layer Impedance FPC

Multilayer routing with project-defined stackup and impedance requirements.

Bare multilayer shaped flexible PCB sample

Multilayer Shaped FPC

Custom branching outlines and reinforced connection areas for compact installations.

Capability Guidance

The values below are planning guidance from the supplied FPC capability source. Final values depend on construction, copper thickness, material availability and engineering review.

Need rigid-flex construction? View the separate rigid-flex product route →
ItemTypical FPC rangeReview note
Layers1–4 layersHigher layer counts require project review
Finished thickness0.06–0.60 mmConstruction-dependent
Fine line / spaceFrom 3 / 3 mil at 18 μm finished copperSpecial values require review
Base materialsAdhesive and adhesiveless PIMaterial brand and thickness by project
Copper options0.33 oz, 0.5 oz, 1 oz; selected builds up to 2 ozAvailability and bend needs reviewed
Surface finishENIG, plated gold, OSP, immersion tinSelected finish confirmed per drawing
StiffenersPI and pressure-sensitive tape optionsOutline, thickness and adhesive reviewed
Controlled impedanceProject-definedStackup and tolerance confirmed before quote

Have a Custom Stackup or Tight Tolerance Requirement?

Share your files or critical specifications so our engineering team can review manufacturability before quotation.

Check My Design Feasibility

ENGINEERING BEFORE RELEASE

Flex PCB Design Review
Before Production

Bend areas, copper construction, coverlay openings, and reinforcement details can affect bare-board fabrication and final installation. Share your design requirements so our engineering team can identify questions that should be resolved before manufacturing.

Bend-Area Construction

Define bend location, direction, radius and whether movement is static or repeated.

Material & Stackup

Align PI, copper type, finished thickness and layer arrangement with the application.

Coverlay & Stiffeners

Review openings, reinforcement boundaries, connector support and adhesive needs.

Trace / Space & Tolerances

Check critical features against copper thickness, registration and outline requirements.

Request a DFM Review
Bare four-layer flexible PCB fabrication sample
A bare four-layer FPC sample illustrating the construction details reviewed before fabrication.

FPC PROCESS & QUALITY EVIDENCE

Bare Flexible PCB Process Control

Actual FPC fabrication equipment is shown below. Inspection and acceptance requirements are confirmed against the released construction and order documents.

Flying-probe electrical test on bare flexible PCB panels
ELECTRICAL TEST

Open / Short Circuit Check

Process: Flying-probe testing is used for sample and small-batch FPC electrical checks.

Review: Test requirements are confirmed for the released fabrication data.

Flexible PCB developing etching and stripping line
CIRCUIT FORMATION

FPC Developing & Etching

Process: Circuit patterns are formed through the developing, etching and stripping line.

Review: Copper construction and critical features are checked against the approved artwork.

VCP copper plating line used for flexible PCB fabrication
COPPER PROCESS

VCP Copper Plating

Process: VCP copper-plating equipment supports flexible PCB fabrication.

Review: The applicable copper construction is confirmed for each released build.

BARE FLEXIBLE PCB EVIDENCE

Flexible PCB Manufacturing Examples

These are unpopulated flexible PCB manufacturing samples, not populated electronic modules or named customer success stories. Final construction is reviewed against each project’s files.

CHOOSE YOUR NEXT STEP

Flexible PCB Manufacturing Support for Your Next Step

01

Developing a New Flex PCB?

Share preliminary drawings or requirements to discuss fabrication feasibility and prototype pricing.

Request Prototype Quote
02

Preparing for Volume Production?

Discuss approved specifications, production quantities, materials, and inspection requirements.

Request Production Pricing
03

Considering a New FPC Supplier?

Start with the requirements and concerns you can share. A complete file transfer is not required for the first discussion.

Evaluate an Alternative Supplier

BUILT AROUND APPROVED REQUIREMENTS

Why Engineers and Buyers Choose BESTFPC

Your flexible PCB supplier should help you confirm manufacturability, identify design concerns, and plan production around approved specifications—not simply accept a Gerber file.

01

Manufacturing Matched to Your Specifications

Review layer count, materials, copper thickness, and critical tolerances against the actual construction.

02

Engineering Support Before Fabrication

Discuss bend areas, stackups, coverlay openings, and stiffeners before production release.

03

Quality Requirements You Can Evaluate

Align relevant inspection and acceptance criteria with your approved build requirements.

04

Support from Prototype to Production

Coordinate early builds and repeat orders using approved fabrication data and revisions.

Best FPC team
Best FPC team.

ENGINEERING CONTINUITY FOR LONG-TERM PROGRAMS

20+ Years of Flexible PCB Manufacturing Experience

Bring flexible PCB design review, material selection, prototyping, bare-board fabrication and quality control together with an experienced manufacturing team.

Match regulated and customer-controlled projects with the certificate and compliance documents applicable to the specific company, facility and order.

Learn More About Best FPC →

QUALITY CERTIFICATIONS

Quality Systems for FPC Manufacturing

Give engineering and purchasing teams clearer evidence for material control, fabrication, inspection and final release within the approved manufacturing scope.

Certificate & Compliance Documents

  • ISO 9001:2015
  • ISO 13485:2016
  • IATF 16949
  • AS9100D
  • UL
  • RoHS
  • REACH

Request the current certificate, facility and scope documents required for your supplier review.

ISO 9001 certificate
ISO 9001 quality management system
ISO 13485 certificate
ISO 13485 medical device quality system

FLEXIBLE PCB INSIGHTS

Flexible PCB Design & Manufacturing Insights

Explore practical BestFPC articles on flex materials, reliability, compact routing and prototype planning.

START WITH THE ACTUAL PROJECT

Get a Manufacturing Review& Quote for Your Flex PCB

Share your Gerber files, drawings, estimated quantities, and critical requirements. Our team can review your bare flexible PCB project and prepare a quotation based on your actual design.

  1. 1Send what you haveGerber, drawing, stackup or requirements.
  2. 2Flexible PCB engineering reviewClarify construction, materials, bend areas and tolerances.
  3. 3Quotation and next stepsConfirm the reviewed fabrication scope for prototype or production.

Your information and selected file will be sent to the BestFPC review team.

BUYER QUESTIONS

Custom Flex PCB
Ordering Questions

Practical questions engineers and sourcing teams raise before releasing a bare flexible circuit for quotation.

What Happens After You Send Your RFQ?

  1. 1Requirements ReviewFiles, quantities and critical requirements are checked.
  2. 2Engineering ClarificationOpen construction or manufacturability questions are aligned.
  3. 3Quotation & Next StepsThe quotation reflects the reviewed fabrication scope.
What files and specifications do you need for an accurate flex PCB quote?

Send your Gerber files if available, plus the outline or fabrication drawing, layer count, target thickness, copper, surface finish, bend and stiffener requirements, and quantity. If the package is incomplete—or you are transferring an existing supplier stackup—send what you have. We will identify the missing inputs and the shortest path to a reliable quotation.

Can I order one prototype, or is there a minimum order quantity?

No MOQ. Start with one prototype, order a small batch or request volume pricing when you are ready. Validate the design first and scale when the project is proven instead of committing to more boards than you need.

What affects the cost of a custom flexible PCB?

Layer count, finished size, panel utilization, material and copper construction, fine features, impedance, surface finish, stiffeners, tooling and quantity can all affect price. Share the requirements that are truly critical, and our free DFM review can help identify avoidable cost before you order.

How long does flex PCB prototyping and production take?

Timing depends on the construction, material availability, quantity, tooling and special processes. We confirm a project-based schedule after reviewing the build, then track the approved order through production and delivery follow-up so you receive a realistic plan—not an unsupported generic promise.

How do I specify the bend radius for static or dynamic flexing?

Tell us whether the circuit is bent once for installation or moves repeatedly, then provide the bend location, direction, installed radius, expected cycles and operating environment. We will review the construction around the actual motion so fatigue risks can be addressed before production.

Which copper, material and stackup should I use?

The right construction depends on bend behavior, layer count, routing density, impedance, finished thickness and operating conditions. We can review adhesive or adhesiveless PI, copper type and weight, and the proposed layer arrangement so the quotation is based on a build that fits the application.

When do I need a PI or FR4 stiffener?

Stiffeners are commonly used at connector, contact and component-support areas. Mark the side, outline, thickness and installed-height limit on the drawing. PI and pressure-sensitive-tape options can be reviewed directly; FR4 and other requested materials are confirmed for the specific build.

Which surface finish should I use for FPC contacts?

Tell us whether the exposed area is a solder pad, connector tail or repeated-wear contact. We will review ENIG, plated gold, OSP or immersion tin against the actual use so you can avoid both an under-specified contact and unnecessary finishing cost.

What electrical testing and inspection are included?

Requirements are confirmed against the released fabrication data. The documented FPC process includes circuit-formation and copper-process controls plus flying-probe open/short testing for sample and small-batch builds. Add any required report or acceptance criteria to the RFQ so it can be included in the reviewed manufacturing scope.

Will you review my design before fabrication?

Yes. BESTFPC provides a free pre-order DFM review covering the proposed stackup, bend areas, coverlay openings, stiffeners, critical features and tolerances. Catching open issues before release can prevent avoidable revisions, delays and costly remakes.

Request a Quote