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Professional OEM PCB & PCBA Manufacturer

20+ years of experience in PCB fabrication, components sourcing, SMT assembly, box build, and full turnkey manufacturing services.

PCB Assembly Line
20+
Years Experience
50,000+
Part Numbers Annually
2,000+
Global Customers
80+
Countries Served
Factory Interior

About China Dragons

China Dragon Electronic Industrial Co., LTD is a professional OEM PCB/PCBA manufacturer with over 20 years of experience in electronic manufacturing services. We specialize in PCB fabrication, components sourcing, SMT assembly, wave soldering, software programming, box build, and functional testing.

Our robust quality management system ensures your circuit boards meet the highest standards of performance and reliability. With certifications including ISO9001:2015, ISO13485:2016, IATF16949, UL, and RoHS compliance, we deliver consistent quality across all production volumes.

  • Full turnkey manufacturing solutions
  • From prototype to mass production
  • One-stop service from design to shipment

Our Products

High-quality PCB and PCBA solutions tailored to your specifications. We offer complete customization and rapid prototyping services.

PCB Board

High-Density Interconnect (HDI) PCB

  • Up to 48 layers
  • Smallest drill size: 0.1mm (~4mil)
  • Minimum trace/space: 3mil
  • Blind & buried vias
  • Impedance control
PCBA Assembly

Advanced SMT PCBA

  • 0201 SMD chips placement
  • 0.4mm pitch BGA, QFN, POP
  • SPI, AOI, X-Ray inspection
  • High-speed Fuji SMT machines
  • 99.9% soldering pass rate
Flexible PCB

Flexible & Rigid-Flex PCB

  • 2-layer flex capability
  • Customizable specifications
  • High reliability for dynamic applications
  • Controlled impedance options
  • Gold fingers available
Through-Hole Assembly

Through-Hole & Mixed Technology

  • DIP assembly capabilities
  • Mixed SMT + THT processes
  • Wave soldering
  • Manual soldering for complex components
  • 100% functional testing

Components Sourcing

  • Full BOM fulfillment
  • Alternative component suggestions
  • Counterfeit-free guarantee
  • Supply chain risk mitigation
  • Cost optimization strategies

Connectors & Wire Harness

  • Custom cable assemblies
  • Multipin connectors
  • Shielded and unshielded options
  • Automotive and industrial grade
  • Complete testing and validation

Box Build Assembly

  • Final product integration
  • Mechanical assembly
  • Labeling and branding
  • Packaging design and execution
  • Drop shipping capabilities

Conformal Coating

  • Protective coating application
  • Acrylic, silicone, urethane options
  • Humidity, dust, and chemical resistance
  • Automated and manual processes
  • Environmental protection for harsh conditions

PCBA Functional Testing

  • Custom test fixture development
  • 100% board testing before shipment
  • Firmware programming and verification
  • Boundary scan (JTAG) testing
  • Automated test sequences

Software Programming & Burning

  • IC programming (flash, EEPROM, MCU)
  • On-board and offline programming
  • Secure firmware loading
  • Version control and traceability
  • High-speed parallel programmers

Injection Molding

  • Plastic enclosure manufacturing
  • Prototype and production molds
  • Engineering-grade resins
  • Overmolding capabilities
  • Surface finishing options

Turnkey Shipment & Logistics

  • Global shipping network
  • Customs documentation
  • Consolidated shipping options
  • Real-time tracking
  • Just-in-time delivery support

Our Manufacturing Services

Comprehensive electronic manufacturing solutions from prototype to mass production with strict quality control and rapid turnaround.

PCB Fabrication

Advanced PCB manufacturing with capabilities up to 48 layers, 0.1mm microvias, HDI, impedance control, and gold fingers.

  • 1-48 layer boards
  • 0.1mm smallest drill
  • 3mil trace/space
  • 0.4–4oz copper
  • UL, RoHS compliant

PCB Assembly

High-precision SMT and through-hole assembly with advanced inspection systems and 100% functional testing.

  • 0201, 0.4mm BGA
  • SPI, AOI, X-Ray
  • Wave & reflow
  • Manual soldering
  • 99.9% yield rate

One-Stop Box Build

Complete product integration including mechanical assembly, wiring, testing, packaging, and shipping.

  • Final assembly
  • Sub-system integration
  • Labeling & branding
  • Custom packaging
  • Drop shipping

Quality Control

Rigorous inspection and testing protocols throughout the manufacturing process to ensure reliability.

  • DFM analysis
  • AOI & X-Ray
  • Functional testing
  • Environmental testing
  • Traceability

Components Sourcing

Global supply chain network with counterfeit prevention and cost optimization strategies.

  • Full BOM fulfillment
  • Component substitution
  • Long-term agreements
  • Obsolescence management
  • Vendor qualification

Certifications & Compliance

Certified manufacturing processes meeting international standards for quality and safety.

  • ISO9001:2015
  • ISO13485:2016
  • IATF16949
  • UL Certified
  • RoHS Compliant
PCBA Sample

Fast PCBA Sample Service

Accelerate your product development with our rapid prototyping service. Get working PCBAs in as little as 3 days.

  • 3-day turnaround: Complete PCBA sample (PCB + components + assembly) within 72 hours
  • 30% cost savings: Project costs at least 30% lower than market average
  • Free DFM check: Comprehensive design for manufacturability analysis at no cost
  • 100% testing: Every sample undergoes functional testing before shipment
  • No MOQ: Flexible service with no minimum order quantity requirements

Simply send us your Gerber files, BOM, and special requirements to get started.

Quality Assurance

Our certified quality management system ensures consistent, reliable performance for every product we manufacture.

Certifications

ISO 9001:2015

Quality Management System

Certificate No: 86180827868Q

ISO 13485:2016

Medical Device Quality

Certificate No: 86180827527Q

IATF 16949

Automotive Quality

Automotive industry standard

UL & RoHS

Safety & Environmental

Compliant with safety and environmental standards

Quality Control
100%
Functional Testing
99.9%
Soldering Yield
2,000+
Satisfied Customers
20+
Years Experience

Frequently Asked Questions

Answers to common questions about our PCB and PCBA services.

What file formats do you need for PCB fabrication?

We accept Gerber files (RS-274X), Excellon drill files, and IPC-356 netlist. For assembly, please provide BOM (Excel or CSV) and centroid file.

What is your typical turnaround time for PCB assembly?

Prototype assembly: 3-5 days. Small batch: 7-10 days. Mass production: 15-20 days depending on complexity and volume.

Do you offer component sourcing services?

Yes, we provide full turnkey solutions including component sourcing. We can source all parts from your BOM with counterfeit prevention measures.

What are your minimum order quantities?

We have no MOQ restrictions. We support prototype, small batch, and mass production runs of any size.

What testing methods do you use?

We use AOI, SPI, X-Ray inspection, in-circuit testing (ICT), functional testing, and boundary scan (JTAG) as required by your product.

Are you RoHS compliant?

Yes, we are fully RoHS compliant and can produce both leaded and lead-free assemblies based on your requirements.

Ready to Start Your Project?

Contact us today for a quote or technical consultation. Our engineering team is ready to support your next product development.

Email: [email protected]

Our team responds to all inquiries within 24 hours.

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