/Modern PCB Assembly, Engineered for Reliability/
PCB Assembly Manufacturer
As a globally competitive PCB Assembly Manufacturer, PCBSAIL provides end-to-end electronics manufacturing services that transform bare printed circuit boards into fully functional electronic assemblies.
From rapid prototyping to high-volume production, PCBSAIL supports the full lifecycle of electronics manufacturing—ensuring manufacturability, reliability, and scalability at every stage. Our integrated capabilities in Surface Mount (SMT) assembly, Through-Hole (THT) assembly, and Mixed Technology (SMT/THT) assembly allow us to handle complex designs with tight tolerances and high component density.
Advanced Automated PCB Assembly Capabilities
PCBSail invests heavily in automated PCB assembly technology to ensure superior accuracy, repeatability, and efficiency. Our production lines are powered by state-of-the-art equipment designed to minimize defects while maximizing throughput.

Laser Stencil Machine
Every high-quality PCB assembly begins with a perfectly cut stencil. Our laser stencil machine produces high-precision stainless steel stencils with:
- Accurate aperture dimensions
- Smooth wall finish
- Optimized paste release
This directly improves solder joint consistency and reduces bridging defects.

Automatic Printing Machine
Our automatic solder paste printing machines apply paste with:
- Precise alignment
- Consistent pressure
- Controlled speed
This minimizes variation and ensures uniform solder deposits across the entire board.

SPI
Immediately after printing, our 3D SPI machine measures:
- Paste volume
- Height
- Area
- Alignment
- Bridging risk

Speed SMT Machine
For large production runs, our high-speed SMT machines place standard components at extremely high throughput while maintaining micron-level accuracy.
This makes PCBSAIL ideal for:
- Consumer electronics
- LED lighting
- Smart home devices
- Wearables

Universal SMT Machine
For large, odd-form, or delicate components, our universal SMT machines provide:
- Superior placement control
- Gentle handling
- Precise alignment
- BGAs
- Power modules
- Connectors
- RF shields

Sample Tester
- Conducts functional validation on selected production units
- Ensures electrical performance meets design specifications

KIC Oven Profiling System
- Monitors temperature distribution across the PCB during reflow
- Ensures optimal solder joint formation and component reliability

Reflow Oven
- Provides controlled heating zones for consistent soldering
- Prevents thermal shock and component damage

AOI Machine
Our AOI inspection systems automatically check:
- Missing components
- Wrong polarity
- Misalignment
- Solder bridges
- Tombstoning

Wave Soldering Machine
For through-hole boards, our wave soldering system ensures:
- Uniform solder fillets
- Strong mechanical bonds
- Minimal defects
- We carefully control:
- Flux application
- Preheating
- Solder wave stability

Fully Automated PCB Depaneling Equipment
After assembly and testing, our automatic depaneling machines separate boards cleanly without:
- Micro-cracks
- Pad stress
- Component damage
This preserves board integrity for final shipment.
Our Comprehensive PCB Assembly Services
As a leading PCB Assembly Manufacturer, PCBSAIL offers three core technological capabilities that cover virtually every modern electronic design requirement.
SMT assembly is the dominant manufacturing method for today’s compact, high-density electronics. At PCBSAIL, SMT is one of our core strengths.
We handle:
- Ultra-small components (01005, 0201)
- Fine-pitch QFP, QFN, LGA, and CSP packages
- High-density BGA devices
- High-speed digital and RF boards
Our fully automated SMT lines ensure:
- High placement accuracy
- Low defect rates
- Consistent repeatability
- Stable process control
This makes us ideal for industries such as:
- IoT and AI devices
- 5G and telecom equipment
- Medical electronics
- Automotive control systems
- Industrial automation
SMT at PCBSAIL is not just placement — it is a tightly controlled, data-driven process supported by SPI, AOI, and thermal profiling to guarantee solder reliability and long-term performance.
Despite the rise of SMT, through-hole assembly remains essential for applications that require mechanical robustness, high current handling, and long-term durability.
PCBSAIL provides both:
- Manual insertion
- Automated insertion
Typical components assembled with THT include:
- Power connectors
- Transformers
- Large capacitors
- Heavy-duty terminals
- Relays and high-current devices
THT assembly is particularly critical in:
- Automotive electronics
- Industrial machinery
- Power supplies
- Renewable energy systems
- Heavy equipment controllers
Our wave soldering and selective soldering processes deliver uniform, reliable joints with excellent hole filling and minimal defects.
Most modern PCBs require a combination of SMT and THT in a single board. As an experienced Mixed-Technology PCB Assembly Manufacturer, PCBSAIL integrates both methods seamlessly
Our strengths include:
- Optimized process flow to avoid rework
- Controlled thermal profiles to protect sensitive components
- Precise handling of boards with both fine-pitch ICs and large connectors
This capability is essential for:
- Automotive control modules
- Industrial control boards
- Power management PCBs
- Smart home and AI hardware
We treat mixed-technology boards as engineered systems — not just assemblies.
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