Electronics Manufacturing Services for OEM Programs

Production Planning • Revision Control • Testing • Repeat Manufacturing

Leader Global Electronics provides electronics manufacturing services in Taiwan for OEM customers requiring ongoing production support.

We coordinate the agreed manufacturing scope across material planning, PCB assembly, programming, testing, and final product assembly. Each build is linked to the approved product configuration and manufacturing documents.

For repeat orders, we review quantities, material lead times, revision changes, test requirements, and delivery schedules before production. Manufacturing transfer and second-source projects are reviewed against the existing product documentation and production requirements.

Request an EMS Manufacturing Quote
Send your complete manufacturing package, order quantities, and production requirements to sales@leaderelec.com.tw.

EMS Manufacturing at a Glance

Taiwan-Based Electronics Manufacturing
Engineering Review Before Quotation
PCB Fabrication & PCB Assembly
Component Sourcing & BOM Management
SMT, THT & Mixed-Technology Assembly
SPI, AOI & X-Ray Inspection
Programming, ICT & Functional Testing
Test Fixture Development
Box Build & System Integration
Prototype, NPI, Pilot & Repeat Production
Manufacturing Transfer & Second-Source Support
Turnkey, Partial-Turnkey & Consigned Manufacturing
ISO 9001, ISO 14001 & ISO 13485 Certified
NDA Available Upon Request

Production Planning and Repeat Orders

For ongoing production, please provide order quantities, requested delivery dates, and forecasts where available. We review these against component lead times, supplier purchasing minimums, assembly capacity, and programming and testing time.

Material purchasing commitments and delivery schedules are confirmed for each order. Changes to forecasts, component availability, or product requirements are reviewed for their effect on material costs and production timing before the plan is updated.

Document and Change Control

Each production order identifies the applicable BOM, PCB revision, assembly drawings, and, where required, firmware version, test procedures, and packaging instructions.

When a change is requested, we review the affected documents, purchased materials, work in progress, and manufacturing steps. The applicable revision and the point at which the change takes effect are confirmed with the customer before implementation.

Prototype and NPI requirements are reviewed separately before a product is released for repeat production.

Request an EMS Manufacturing Quote

Please provide a complete RFQ package for the requested manufacturing scope.

RFQ Package Required for Quotation

BOM with manufacturer names, full manufacturer part numbers (MPNs), reference designators, quantities per board, and fitted / not-fitted status.
Gerber and drill files, PCB fabrication specifications, and stack-up, where PCB fabrication is included.
Pick & Place / Centroid data, including board side and component rotation, where PCB assembly is included.
Assembly drawings showing polarity, connector orientation, and special assembly requirements.
Quantities to be quoted and target delivery schedule.
Expected annual volume or order forecast, if available.
Material supply model: turnkey, partial-turnkey, or consigned.
Customer-supplied material list and mandatory sourcing restrictions, where applicable.
Special assembly, mechanical, labeling, or packaging requirements, where applicable.
Applicable document revisions and build variants.
Firmware programming required: Yes / No.
ICT or functional testing required: Yes / No. Please specify the required test type and scope.
Estimated programming and testing time per board, if known.
Programming tools and test fixtures: customer-supplied or to be quoted, if required.

Firmware and software files are not required for the initial quotation. If programming or testing is required, please describe the scope and whether the necessary tools and fixtures will be supplied by you. If fixture development is required, please provide the test requirements for a separate quotation.

Production firmware, programming instructions, and detailed test procedures and acceptance criteria can be provided after order confirmation and must be confirmed before the relevant production activities begin.

For existing production or manufacturing transfer projects, please also provide the following where applicable:

Current manufacturing work instructions.
Approved component lists, including AVL / AML information.
Existing test procedures and acceptance criteria.
Revision history and pending engineering changes.
Existing fixture and tooling information.
Known production or quality issues.

We begin quotation preparation once the required quotation information is complete and the manufacturing scope is confirmed.

Send your complete RFQ package to sales@leaderelec.com.tw.

An NDA can be arranged before you submit confidential files.

Engineering Review Before Production

Many manufacturing problems do not originate at the SMT line.

Component availability, footprints, PCB layout, panelization, programming, testing, or incomplete manufacturing documentation can affect a project before assembly begins.

Before quotation or production, our engineering review may include:

BOM completeness and manufacturer part numbers
Gerber files
Pick & Place data
Assembly drawings
PCB fabrication requirements
Component package and footprint information
Component polarity and orientation
SMT / THT manufacturability
PCB panelization
Long-lead-time components
Obsolete / EOL / NRND components
Programming requirements
ICT / functional test requirements
Test point accessibility
Special assembly processes
Mechanical or box build requirements

For power electronics and high-current designs, additional manufacturing considerations may include customer-defined thermal requirements, PCB copper specifications, component spacing, connector requirements, and assembly process requirements.

Issues identified during engineering review can be discussed before materials are purchased or production is scheduled.

Component Sourcing & BOM Management

Component sourcing can directly affect production cost, lead time, and manufacturing continuity.

Our sourcing and engineering teams can review:

Manufacturer part numbers
Authorized distributor availability
Approved Vendor List (AVL)
Approved Manufacturer List (AML)
Component lifecycle status
Obsolete / EOL / NRND components
Long-lead-time components
MOQ / SPQ requirements
Customer-supplied components
Potential second-source components
Material traceability requirements

Components can be sourced through authorized distributors, approved suppliers, and customer-designated sources according to the agreed sourcing requirements.

If a specified component becomes unavailable, has a long lead time, or creates a significant BOM cost issue, potential second-source or alternative components can be reviewed.

For design-sensitive components, the review may include electrical specifications, package and footprint compatibility, pinout, voltage and current ratings, thermal requirements, lifecycle status, availability, and lead time.

Alternative components require customer review and written approval before purchase or use.

EMS Manufacturing Capabilities

Our Taiwan manufacturing operation supports SMT, through-hole, and mixed-technology assembly for prototype, NPI, pilot, and ongoing OEM manufacturing programs.

SMT Assembly

01005 Passive Components
Fine-Pitch ICs
BGA
QFN
LGA
CSP
Bottom-Terminated Components
Single-Sided SMT
Double-Sided SMT

Through-Hole Assembly

Manual Assembly
Wave Soldering
Selective Soldering
Press-Fit Components
Connector Assembly
Terminal Assembly

For mixed-technology products, SMT and THT processes are planned according to the PCB design, component requirements, soldering process, and inspection requirements.

Manufacturing at a Glance

5 SMT Production Lines
1 THT Assembly Line
28,500 sq.ft Manufacturing Facility
Up to 6.2 Million Component Placements per Day (R/C Equivalent)
Maximum PCB Size: 500 × 500 mm
SPI, AOI & X-Ray Inspection
ICT & Functional Testing
Box Build
RoHS Manufacturing Support
ESD / MSD Control

→ View Equipment List

Inspection & Quality Control

Inspection requirements are defined according to the PCB design, component packages, product requirements, and customer specifications.

Depending on the project, inspection may include:

Incoming Material Verification
First Article Inspection (FAI)
Solder Paste Inspection (SPI)
Automated Optical Inspection (AOI)
X-Ray Inspection
In-Process Inspection
Final Quality Verification
ESD / MSD Control
Material Traceability
BOM & PCB Revision Control

X-Ray inspection can be used for BGA and other components with hidden solder joints where required.

Customer-specific inspection and acceptance requirements can be incorporated into the manufacturing plan.

Programming, Functional Testing & Test Fixtures

Where required, production support can include:

IC / MCU Programming
Firmware Loading
Power-On Verification
In-Circuit Testing (ICT)
Functional Testing (FCT)
Customer-Defined Test Procedures
Existing Test Fixture Integration
Custom Test Fixture Development

For customer-specific testing, our engineering team can review the test procedure, test points, operating conditions, required measurements, communication interfaces, programming requirements, and pass / fail criteria.

Where required, test fixtures can be designed and built according to the agreed test requirements.

If an existing fixture or fixture design is available, we can evaluate how it can be implemented in our manufacturing process.

Test fixture development scope and applicable NRE or development costs are reviewed with the customer before implementation.

Manufacturing Transfer & Second-Source Support

OEM customers may need to transfer an existing electronics product to Taiwan or qualify an additional manufacturing source.

For an existing production program, we can review:

BOM and approved component information
Gerber files
Pick & Place data
Assembly drawings
PCB fabrication specifications
Programming requirements
Functional test procedures
Existing test fixtures
Manufacturing work instructions
Revision history and engineering changes
Known production issues
Packaging requirements

The first Taiwan build can be treated as a manufacturing transfer build rather than immediately releasing the project as routine production.

This build can be used to verify that the approved documentation, components, assembly requirements, programming, testing, and mechanical requirements match the actual product before repeat production is released.

Learn more → Electronics Manufacturing Transfer to Taiwan

Turnkey, Partial-Turnkey & Consigned Manufacturing

We support different sourcing models depending on customer requirements, including turnkey, partial-turnkey, and consigned manufacturing.

For projects requiring complete PCB and component procurement, see our Turnkey PCB Assembly services.

EMS Manufacturing FAQ

What files are needed for an EMS manufacturing quotation?

Please provide the complete RFQ package listed above for the requested manufacturing scope, including the applicable manufacturing files, order quantities, material supply requirements, and target delivery schedule.

For programming and testing, confirm whether these services are required and describe the scope and tooling requirements. Firmware and software files are not required for the initial quotation.

Can you support manufacturing transfer to Taiwan?

Yes. Existing production documentation and manufacturing requirements can be reviewed for OEM customers evaluating a Taiwan manufacturing source or additional manufacturing source.

The first transfer build can be used to verify components, PCB requirements, assembly processes, programming, testing, and manufacturing documentation before repeat production.

Do you provide programming and functional testing?

Yes. Depending on project requirements, support may include IC / MCU programming, firmware loading, power-on verification, ICT, functional testing, customer-defined test procedures, and test fixture integration.

Do you support turnkey, partial-turnkey, and consigned manufacturing?

Yes.

For turnkey projects, we manage the agreed PCB fabrication and component procurement requirements.

For partial-turnkey projects, the customer may supply selected components while we source the remaining materials.

For consigned manufacturing, the customer supplies some or all materials while we provide the agreed manufacturing services.

Request an EMS Manufacturing Quote

For EMS manufacturing projects, please send your complete manufacturing files and project requirements.

Email: sales@leaderelec.com.tw

NDA available upon request.

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