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Prototype-to-production PCB fabrication, PCBA assembly and component sourcing from one accountable team.

One-stop Electronic Manufacturing Solutions

• PCB Fabrication
• Authorized Component Sourcing
• SMT/DIP/BGA PCBA Assembly
• Full Functional Test & AOI Inspection

Automated Production & On-time Delivery

• Fully automatic SMT production lines
• Support prototype & mass production
• Shortened production lead time
• Flexible order customization

Comprehensive Quality Inspection & Technical Support

• Professional AOI automatic optical inspection
• Multi-step offline manual inspection
• BGA rework & complex board repair
• DFM review & after-sales technical service

Assembly

SMT, THT, mixed assembly and BGA process support.

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  • SMT / THT / BGA / mixed assembly
  • AOI, SPI and functional validation
  • Turnkey or consigned components
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BOM List

Original component sourcing and qualified alternative recommendations.

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  • Authorized sourcing channels
  • Alternative parts for shortage risks
  • Incoming inspection and traceability
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PCBA Production

One-stop PCB fabrication, sourcing, assembly and testing workflow.

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  • PCB + components + SMT/THT assembly
  • Functional testing and aging tests
  • Global shipment tracking
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ABOUT US

Southern Electronics Tech Ltd. Established in 2006, Southern Electronics Tech Ltd. is a professional PCBA manufacturing enterprise specializing in integrated PCB fabrication, SMT/THT assembly, and end-to-end component sourcing.

We provide reliable, full-cycle manufacturing services from rapid prototyping and design validation to medium- and high-volume production. Our technical capabilities span rigid, flexible, rigid-flex, HDI, high-frequency, and metal-core PCBs, supported by advanced SMT, THT, BGA, and mixed-technology assembly. To ensure consistent quality, we enforce rigorous DFM reviews, multi-stage in-process inspection, and comprehensive functional testing throughout the entire production workflow.

Leveraging a mature global supply chain, we offer both original component sourcing and qualified alternative recommendations to proactively mitigate supply chain risks. Our commitment to engineering excellence, fast response times, and customer-centric service has earned us long-term trust from clients across diverse industries worldwide.

We actively participate in leading international electronics exhibitions to stay at the forefront of industry innovation and strengthen face-to-face partnerships. By combining strategic global engagement with optimized operations, we deliver highly competitive pricing and direct, efficient communication, ensuring a seamless experience for our customers around the globe.

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PCB Services

PCB Fabrication Production

PCB Fabrication Production

We offer reliable PCB board fabrication, support prototype trial production and large-batch mass manufacturing, cover conventional FR4 rigid boards, multi-layer circuit boards with stable dimensional tolerance and stable delivery cycle.

PCB Quality and Surface Treatment

PCB Quality & Surface Treatment

Diversified surface finishing options including HASL, ENIG, OSP etc. Strict in-process dimension inspection and appearance check to guarantee finished PCB boards free from short circuit, open circuit and copper exposure defects.

PCB Assembly Capability

SMT Assembly

PCB Type: FR4 Single & double-sided SMT mounting

  • High-speed automatic chip placement
  • Post-solder AOI optical inspection
  • Precise assembly for tiny miniature components
SMT Assembly

THT Assembly

PCB Type: FR4 rigid board Through-hole manual soldering process

  • Double-sided assembly is available
  • Visual check & electrical continuity test
  • Suitable for connectors and power plug-in parts
THT Assembly

Mixed Assembly

PCB Type: FR4 multilayer board Combined SMT + THT hybrid processing

  • Two-sided assembly supported
  • AOI inspection + full function aging test
  • Solution for complex integrated PCBA boards
Mixed Assembly

Component procurement capability

Global Component Sourcing

Authorized supplier channels

  • Global sourcing for scarce & obsolete chips
  • Long-term bulk stocking available
  • Provide original or equivalent components with full disclosure
Global Component Sourcing

BOM Cost Optimization BOM

Professional BOM review & sorting

  • Qualified equivalent part recommendations
  • Volume purchasing to cut procurement cost
  • Detailed budget breakdown for your project
BOM Cost Optimization

Incoming Material QC Inspection

Strict appearance & packaging visual check

  • Part number & parameter double verification
  • Classify goods with clear condition labeling
  • Complete incoming inspection file for traceability
Incoming Material QC Inspection

Our Equipment

PCB CNC drilling machine
PCB horizontal chemical copper deposition equipment
PCB developing line equipment
SMT hot air reflow oven
SPI solder paste thickness inspection equipment
Automatic high-speed SMT placement machine
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Send Us Your Gerber Files and BOM

Our team will review PCB, component and assembly requirements and respond with practical production guidance.

Email:echo@southern-el.com
Whatsapp:+86 13392153151