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SenLian ENEN

PCB Manufacturing for Reliable Mass Production

From prototype to stable high-volume PCB manufacturing, SENLIAN supports engineers and buyers with controlled processes, automated inspection and responsive engineering support — manufactured in China for global delivery.

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What You Get With SENLIAN Manufacturing

Clear answers for decision makers: can you build it, can you build it consistently, and can you deliver it on time?

Quality You Can Audit

Quality You Can Audit

Inspection and testing records help support industrial and automotive-related projects.

  • AOI / Electrical test / X-Ray (as needed)
  • Sampling plan and final inspection
  • Support for customer-specific standards

Stable Mass Production

Stable Mass Production

Controlled routing and checkpoints to keep batches consistent.

  • Standardized manufacturing process control
  • In-process inspection coverage
  • Repeat-order consistency support

Engineering-First DFM

Engineering-First DFM

Early manufacturability review to reduce redesign risk and protect yield.

  • Gerber checks & stack-up suggestions
  • Impedance and tolerance verification
  • Clear feedback before production starts

Manufacturing Experience You Can Rely On

Built for long-term supply stability, repeat orders and demanding industrial requirements.

For Engineers For Engineers

DFM Guidance Helps Reduce Iteration Cycles And Prevent Yield Loss For Complex Stack-Ups And Special Processes.

For Buyers For Buyers

We Eliminate Middlemen To Secure Direct Quality And Competitive Pricing.All Your PCB And Assembly Needs Are Covered Under One Single, Reliable Partner.We Ensure On-Time Delivery And Full Transparency For Every Project Requirement.

For OEM/ODM For OEM/ODM

We Tailor Custom-Made Solutions To Align With Your Exact Project Specifications.We Own The Full Production Workflow, Ensuring Strict Quality Control & Seamless Execution.Guarantee On-Schedule Delivery With Full Transparency For All Your Customization Needs.

Need a fast manufacturability review?

Upload Gerber/BOM and get engineering feedback with your quote.

Upload Files for Quote Engineering Inquiry

Process Overview (Manufacturing Flow)

Transparent process flow helps teams understand where quality is verified and how production stability is maintained.

Full Process Page → Download PDF →

Note: Below is a web-friendly simplified flow. For detailed step-by-step and inspection checkpoints, open the full process page or download the PDF.

SenLian EN SenLian EN
Key Quality Checkpoints

Stable output depends on controlled parameters and repeatable routing—not just equipment. This overview highlights where defects are prevented and verified.

Engineering Support

Share your requirements (impedance, stack-up, special processes). We’ll recommend process selection and inspection coverage.

Why This Matters

Stable output depends on controlled parameters and repeatable routing—not just equipment. This overview highlights where defects are prevented and verified.

Want the detailed multilayer flow?

Open the full process page for deeper step explanations and downloadable documentation.

View Full Process

Manufacturing Capabilities (Key Specs)

Below are typical capability ranges. Final capability depends on design rules and process selection.

View Full Capabilities →
__ oz
__ oz Max copper thickness
__ mm
__ mm Min hole size (finished)
_ / _ mil
_ / _ mil Min line / space
__ Layers
__ Layers Max layer count (typical)
Supported PCB Types Supported PCB Types

We manufacture a range of PCB structures for different application requirements.

  • Multilayer PCB • HDI PCB
  • Rigid-Flex PCB • Heavy Copper PCB
  • Aluminum PCB • Standard FR4 PCB
  • Custom PCB based on your design
Surface Finish & Special Processes Surface Finish & Special Processes

Choose The Right Finish And Process Set For Your Assembly And Reliability Needs.

  • ENIG • HASL (Lead-free) • OSP
  • Hard Gold • Immersion Silver / Tin
  • Controlled Impedance • Back Drilling
  • Blind/Buried Vias (on request)

Quality Control & Testing

Quality is built into every stage—from incoming materials to final shipment.

Quality System →

Audit-Friendly Quality Approach

Inspection coverage, testing records and defined checkpoints provide an auditable manufacturing approach for industrial and automotive-related projects. If you have customer-specific standards, we can align the inspection plan accordingly.

Inspection Coverage

Inspection Coverage

Multi-point inspections reduce defect risk and improve batch consistency.

  • Online AOI inspection
  • X-Ray inspection for multilayer structures
  • Visual and dimensional checks
Electrical Testing

Electrical Testing

Ensure connectivity and detect opens/shorts before assembly.

  • Flying probe testing
  • Test reports (as required)
  • Support for customer test standards
Traceability & Control

Traceability & Control

For critical projects, traceability improves accountability and control.

  • Batch identification and routing
  • Process control for key steps
  • Export-ready documentation

From Prototype to Stable Mass Production

Different volumes require different controls. We support quick iterations and long-term supply stability.

Prototype & Small Batch

Fast review and quick manufacturing to shorten validation cycles.

  • DFM feedback for first-time builds
  • Support for design iterations
  • Responsive engineering communication

Medium Volume

Process stability and yield management for continuous delivery.

  • DFM feedback for first-time builds
  • Support for design iterations
  • Responsive engineering communication

High Volume / Mass Production

Structured process control for reliable long-term supply.

  • DFM feedback for first-time builds
  • Support for design iterations
  • Responsive engineering communication

Get a PCB Manufacturing Quote

Upload files for faster evaluation. We respond with manufacturability feedback and a clear quotation.

RFQ Form

PCB Type
Layer Count
Material
Quantity
Gerber / BOM Upload
Upload Gerber, BOM, drawings, or spec notes. (Optional but recommended)
Email
Target Lead Time
Requirements / Notes
Contact Sales

Q&A

PCB Fabrication & Assembly Under One Roof
We Also Offer Assembly Service For Our PCB Customers. Our Online Pricing Software Can Instantly Quote For Your PCB Assembly Service From Us, Through A Rough Calculation, You Can Still Have Some Ideas Of The Real Cost Which Helps You Decide To Use Our Service, As Our PCBA Prices Are As Competitive As Our Pcbs. We Have Accumulated Lots Of Reliable And Competitive Parts Suppliers In The World To Ensure The Quality And Cost Of Your Parts Sourcing. All Your Jobs Can Be Done Under One Roof, Either SMT, Thru-Hole Or Hybrid!
We Are Not A Broker
As A Direct Manufacturer, We Own And Operate Our Own Facilities, Eliminating The Middleman.We Control Quality, Pricing, And Production Scheduling From Start To Finish.Our In-House Capabilities Cover SMT, Thru-Hole, And Hybrid Assembly All Under One Roof!
Quality Assurance
We Maintain Strict Quality Controls Across Every Stage Of Production.From Raw Material Inspection To Final Testing, We Ensure Consistency And Reliability.Our Processes Meet International Standards, Delivering Trusted Performance To Global Clients.
Instant Quotes
We Provide Fast, Real-Time Quoting For All Your PCB And Assembly Needs.Get Instant Pricing Updates With Clear, No-Hidden-Cost Details.Our Dedicated Team Responds Quickly To Inquiries, Ensuring Smooth Project Planning.
Expert DFM Feedback
We Offer Professional DFM Analysis To Pinpoint Potential Issues In Your Design Early.We Optimize Layouts & Component Choices For Higher Yield, Lower Costs, And Better Reliability.Our Engineering Team Delivers Clear, Actionable Suggestions To Streamline Production.
Real-Time Production Tracking
We Offer Precise, Real-Time Production Monitoring To Track Every Stage Of Manufacturing.Our System Provides Clear Visibility Into Workflow, Quality, And Efficiency.Engineers Deliver Actionable Data To Optimize Output And Minimize Delays.
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