/End To End/
PCB Contract Manufacturing
PCBSAIL provided professional PCB Contract Manufacturing services for startups and OEMs. Our PCB Contract Manufacturing service can help you outsource PCB fabrication, PCB assembly, sourcing, and testing.
From prototypes to mass production, we help you turn designs into reliable finished products with speed, consistency, and competitive pricing.
If you are looking for a trusted manufacturing partner for PCB fabrication and assembly, we can deliver completed turnkey solutions with engineering support, strict quality systems, and global logistics.
What Is PCB Contract Manufacturing?
PCB Contract Manufacturing refers to hiring a third-party electronics manufacturer to produce your PCBs and assembled PCB products.
PCB Contract Manufacturing Include:
- PCB Fabrication
- PCB Assembly
- Component Sourcing
- Prototype Builds
- Box Build Assembly
- Cable And Harness Integration
This model can reduce your overhead, improve production speed, access advanced equipment, and scale manufacturing efficiently.
Our PCB Services
We provide end-to-end PCB Contract Manufacturing services. Whether you need prototypes, low-volume production, or large-scale manufacturing, we offer flexible solutions to meet your project requirements.
PCB Fabrication
We produce high-quality PCBs for a wide range of industries and applications.
PCB Assembly
Our advanced SMT and THT production lines supports precise, reliable circuit board assembly.
- Surface Mount Technology
- Through-Hole Assembly
- Fine Pitch & BGA Assembly
Component Procurement
We source components through trusted global suppliers and optimize your supply chain.
- BOM Review And Verification
- Original Branded Components
- Alternative Part Suggestions
- Lot Traceability
Testing & Quality Inspection
Reliable performance starts with strong quality control.
- AOI
- X-Ray Inspection
- SPI Inspection
- Flying Probe Test
- ICT Testing
- Functional Testing
- Burn-In Testing
Box Build Assembly
Need a complete finished product? We can help beyond the PCB.
- Enclosure Assembly
- Cable And Wire Harness Integration
- Mechanical Assembly
- Labeling And Branding
- Final Product Packaging
Item | Rigid PCB | Flexible PCB | Rigid-Flex PCB |
Max Layer | 60L | 8L | 36L |
Inner Layer Min Trace/Space | 3/3mil | 3/3mil | 3/3mil |
Out Layer Min Trace/Space | 3/3mil | 3.5/4mil | 3.5/4mil |
Inner Layer Max Copper | 6oz | 2oz | 6oz |
Out Layer Max Copper | 6oz | 20z | 3oz |
Min Mead hanical Driling | 0.15mm | 0.1mm | 0.15mm |
Min Laser Drilling | 0.1mm | 0.1mm | 0.1mm |
Max Aspect Ratio (Mechanical Drilling) | 20:01 | 10:01 | 12:01 |
Max Aspect Ratio (Laser Drilling) | 1:01 | / | 1:01 |
Press Fit Hole Tolerance | ±0.05mm | ±0.05mm | ±0.05mm |
PTH Tolerance | ±0.075mm | ±0.075mm | ±0.075mm |
NPTH Tolerance | ±0.05mm | ±0.05mm | ±0.05mm |
Countersink Tolerance | ±0.15mm | ±0.15mm | ±0.15mm |
Board Thickness | 0.4-8mm | 0.1-0.5mm | 0.4-3mm |
Board Thickness Tolerance(<1.0mm) | ±0.1mm | ±0.05mm | ±0.1mm |
Board Thickness Tolerance(≥1.0mm) | ±10% | / | ±10% |
Min Board Size | 10*10mm | 5*10mm | 10*10mm |
Max Board Size | 22.5*30 inch | 9*14 inch | 22.5*30 inch |
Contour Tolerance | ±0.1mm | ±0.05mm | ±0.1mm |
Min BGA | 7mil | 7mil | 7mil |
Min SMT | 7*10mil | 7*10mil | 7*10mil |
Min Solder Mask Clearance | 1.5mil | 3mil | 1.5mil |
Min Solder Mask Dam | 3mil | 8mil | 3mil |
Min Legend Width/Height | 4/23mil | 4/23mil | 4/23mil |
Strain Fillet Width | / | 1.5±0.5mm | 1.5±0.5mm |
Bow &Twist | 0.003 | / | 0.0005 |
Benefit from PCB Contract Manufacturing
We deliver professional PCB Contract Manufacturing services with a strong focus on quality, speed, flexibility, and cost efficiency.
One-Stop Manufacturing
We provide complete end-to-end services under one roof, helping customers simplify supply chain management.
Strong Engineering Support
Our experienced engineering team reviews every project before production begins.
- DFM (Design For Manufacturability) Review
- DFA (Design For Assembly) Optimization
- BOM Verification
- Alternative Component Suggestions
- Cost-Down Recommendations
Process Improvement Planning
Fast Lead Times
We understand that time-to-market is critical.
OEM & Confidential Manufacturing Support
We support OEM brands, startups, and technology companies with secure production processes.
- NDA Support
- White-Label Production
- Branded Packaging
- Confidential Product Handling
Common Problems and How to Avoid Them
Even well-designed electronics projects can run into production issues if manufacturing planning is weak.
BOM Errors
A poorly prepared Bill of Materials (BOM) is one of the top reasons projects stall.
Common Issues:
- Missing Manufacturer Part Numbers
- Wrong Package Sizes
- Duplicate Line Items
- Obsolete Components
- Incorrect Quantities
How To Avoid It:
- Use Clear Manufacturer Part Numbers (MPNS)
- Include Approved Alternates
- Confirm Package Type Matches PCB Footprint
- Review Lifecycle Status Before Submission
- Run A Final Engineering BOM Audit
Gerber File Mistakes
Design file errors can create assembly defects, delays, or scrapped boards.
Common Issues:
- Wrong Pad Sizes
- Misaligned Footprints
- Missing Solder Mask Openings
- Incorrect Drill Sizes
- Layer Stack-Up Confusion
How To Avoid It:
- Perform DFM (Design For Manufacturability) Review
- Verify Footprints Against Datasheets
- Run Gerber Checks Before Release
- Confirm Stack-Up With Manufacturer
- Build A Small Prototype Batch First
Long Lead-Time Components
One unavailable chip can stop an entire production run.
Common Issues:
- MCU Shortages
- Connector Delays
- End-Of-Life Parts
- Unexpected Price Spikes
How To Avoid It:
- Share Forecasts Early
- Approve Substitute Components
- Use Common Parts Where Possible
- Let Your Manufacturer Source Early
- Monitor Supply Chain Risk Monthly
Poor Soldering Quality
Assembly defects can cause field failures and warranty claims.
Common Issues:
- Tombstoning
- Cold Solder Joints
- Bridging
- Insufficient Solder Paste
- BGA Hidden Defects
How To Avoid It:
- Choose A Factory With SPI, AOI, And X-Ray Inspection
- Validate Stencil Design
- Use Proper Reflow Profiles
- Review First Article Samples
- Request IPC-Standard Workmanship Control
PCB Contract Manufacturing Process
Our PCB Contract Manufacturing process is designed to deliver consistent quality, fast turnaround times, and smooth project execution. From the first quotation request to final shipment, every stage is carefully managed by our engineering, production, and quality teams.
Step 1: RFQ & Project Inquiry
The process begins when you send us your project requirements.
Required Files Typically Include:
- Gerber Files
- BOM (Bill Of Materials)
- Pick And Place File
- Assembly Drawing
- Quantity Demand
- Target Lead Time
- Special Notes Or Testing Requirements
Step 2: Engineering Review
Before production starts, our engineers conduct a full technical review.
Review Items Include:
- PCB Manufacturability
- Pad And Footprint Compatibility
- Layer Stack-Up Review
- Soldering Risk Analysis
- BOM Completeness
- Component Lifecycle Check
- Test Point Accessibility
Step 3: Quotation
After review, we provide a clear commercial proposal.
- PCB Fabrication Cost
- PCB Assembly Cost
- Component Sourcing Cost
- Tooling Or Stencil Charges
- Testing Fees
- Shipping Cost
- Lead Time Schedule
Step 4: Component Procurement
For turnkey orders, our sourcing team purchases all required components.
Procurement Controls Include:
- Approved Supplier Sourcing
- Original Branded Components
- Alternative Component Approval
- Incoming Material Inspection
- Date Code Verification
- Quantity Reconciliation
Step 5: PCB Fabrication
Bare boards are manufactured according to your design specifications.
Fabrication Steps Include:
- Material cutting
- Inner layer imaging
- Etching
- Lamination
- CNC Drilling
- Copper Plating
- Solder Mask Application
- Silkscreen Printing
- Surface Finish
- Electrical Testing
- Final Routing/Profile
Step 6: SMT Setup
For assembly orders, production is prepared in advance.
- SMT Stencil Fabrication
- Program Creation For Pick And-Place Machines
- Reflow Profile Setup
- First Article Preparation
- Work Instruction Release
Step 7: PCB Assembly Process
Components are mounted onto the PCB using automated lines and skilled operators.
strong>Assembly Flow:
- Solder Paste Printing
- SPI Solder Paste Inspection
- SMT Component Placement
- Reflow Soldering
- AOI Inspection
- Through-Hole Insertion
- Wave Soldering / Hand Soldering
- Cleaning (If Required)
Step 8: Inspection & Testing
Quality control is performed throughout production.
- AOI Inspection
- X-Ray Inspection
- ICT Testing
- Flying Probe Test
- Functional Testing
Step 9: Box Build & Final Assembly (Optional)
If needed, we complete full product integration.
- Enclosure Assembly
- Cable Installation
- Display Integration
- Mechanical Fastening
Step 10: Packaging &Shipment
Products are packed securely and delivered worldwide.
- DHL / FedEx / UPS express
- Air Freight
- Consolidated Shipment
Industries We Have Previously Served
We have extensive experience providing PCB Contract Manufacturing services for customers across a wide range of industries.
Startups
We support startups, universities, and engineering teams in developing innovative technologies.
- Prototype Development
- Product Testing
- Experimental Designs
Automotive
Automotive electronics demand stable performance in harsh environments such as heat, vibration, and long operating cycles.
- LED Driver Boards
- Sensor Modules
- Power Management Boards
- Charging System Electronics
- Dashboard Control Modules
- Vehicle Accessory Electronics
Industrial Automation
Industrial electronics require durability, consistency, and long product life cycles.
- PLC Control Boards
- HMI Systems
- Motor Controllers
- Sensor Modules
- Power Control Systems
- Factory Automation Boards
- Industrial Communication Devices
Medical Electronics
We manufacture PCBs and PCBAs for non-invasive medical and healthcare equipment requiring precision and dependable quality.
- Monitoring Devices
- Diagnostic Equipment
- Portable Healthcare Devices
- Therapy Equipment
- Measurement Systems
Consumer Electronics
We support fast-moving consumer product brands that require cost-effective production, attractive packaging, and rapid delivery.
- Smart Home Devices
- Bluetooth Products
- Wearables
- Chargers And Adapters
- Audio Devices
- LED Lighting Products
- Iot Consumer Products
Telecommunications
We support communication equipment manufacturers that require high-frequency performance and stable connectivity.
- Router Boards
- RF Communication Modules
- Signal Processing Boards
- Wireless Gateways
- Data Transmission Equipment
Aerospace
For select specialized applications, we support custom builds requiring tighter process controls and advanced engineering review.
Fast Quotation
Our professional sales and engineering teams provide fast PCB quotes and technical support. Simply send us your Gerber files, BOM, and assembly drawings, and we will respond promptly with a competitive solution.
- Gushu Tangxi Second Industrial Zone, Shenzhen
- +86 755 2335 0814
- +86 135 1078 8094
- sales@pcbasail.com
FAQ About PCB Contract Manufacturing
1. What Is Turnkey PCB Contract Manufacturing?
Turnkey means the manufacturer manages the full project from purchasing parts to delivering finished assemblies.
This normally includes:
- PCB Fabrication
- BOM Sourcing
- PCB Assembly
- Inspection
- Testing
- Shipment
It is the most convenient option for many buyers.
2. What Is Consigned PCB Manufacturing?
Consigned manufacturing means the customer supplies some or all components, while the manufacturer only performs assembly.
It is best for companies with their own procurement teams or controlled inventory.
3. How Much Does PCB Contract Manufacturing Cost?
Pricing Depends On:
- PCB layer count
- Board Size
- Quantity
- Component Cost
- SMT Placement Count
- Testing Requirements
- Lead Time Urgency
Prototype orders cost more per unit, while volume production lowers unit cost.
4. How Long Does PCB Contract Manufacturing Take?
Typical Timelines:
- Prototype builds: 5–10 working days
- Small batch production: 2–4 weeks
- Mass production: 4+ weeks depending on parts availability
Urgent builds may be faster if materials are in stock.
5. What Files Do I Need for a Quote?
Most Manufacturers Request:
- Gerber files
- BOM (Bill of Materials)
- Pick and Place / Centroid file
Assembly drawings - Quantity demand
- Special testing or programming requirements
Complete files help speed quoting.
6. Can the Manufacturer Source Components for Me?
Yes. Full turnkey manufacturers often handle component sourcing through approved distributors and supply chain partners.
This can save time and reduce purchasing complexity.
7. Can I Provide My Own Components?
Yes. We support:
- Full consigned builds
- Partial turnkey builds
- Customer-owned critical ICs only
Confirm packaging formats and quantities before shipping parts.