Turnkey EMS Electronics Manufacturing Service PCBA

SZH operate a fully self-owned production base equipped with multiple high-precision SMT lines, complemented by DIP, testing, and assembly lines. This enables flexible production from prototyping to large-scale PCB assembly.
High-Precision SMT Lines: Support 01005 components, 0.3mm pitch BGA, QFN, and other fine-pitch package assembly.
Full-Process Coverage: Including double-sided SMT, mixed assembly, selective soldering, and press-fit technology.
Rigorous Quality Control: Full-process inspection with SPI, AOI, X-Ray, functional testing, and aging test systems.

  • SZH
  • China
  • Information

Overview

Turnkey Electronics Manufacturing Solution: Complete PCBA Service from Concept to Product

We provide comprehensive Turnkey Electronics Manufacturing Services (EMS), covering the entire production chain from circuit design and component sourcing to PCB assembly, testing, and finished product delivery. Specializing in high-quality PCBA mainboard manufacturing, we offer reliable, efficient one-stop production solutions for a wide range of electronic products.

Our Core Service Process

1. Design Support & Optimization

  • Professional Design Review: DFM (Design for Manufacturability) analysis by our engineering team

  • PCB Layout Optimization: Maximizing circuit performance while optimizing production costs

  • Prototype Design Support: Full technical support from proof-of-concept to functional prototypes

  • Technical Documentation: Complete BOM, assembly drawings, and process documentation

2. Component Sourcing & Management

  • Global Supply Chain Network: Partnerships with 300+ reputable component suppliers

  • BOM Cost Optimization: Component cost reduction through volume purchasing and alternative solutions

  • Component Lifecycle Management: Monitoring critical parts availability to prevent shortages

  • Quality Assurance System: Rigorous supplier vetting and incoming inspection processes

3. PCB Fabrication & Assembly

  • Multilayer PCB Fabrication: Support for 1-24 layer high-precision boards

  • Advanced Assembly Processes:

    • High-precision SMT assembly (minimum 0201 components)

    • Through-Hole Technology (THT)

    • Mixed-technology assembly

    • Complex package handling (BGA, QFN, etc.)

  • Multiple Soldering Techniques:

    • Lead-free soldering (RoHS compliant)

    • Selective soldering

    • Wave soldering

4. Comprehensive Testing & Quality Assurance

  • Automated Optical Inspection (AOI): Solder joint quality and component placement verification

  • X-ray Inspection: Hidden solder joint examination for BGA, QFN packages

  • In-Circuit Test (ICT): Circuit functionality and connectivity verification

  • Functional Circuit Test (FCT): Board testing under simulated operating conditions

  • Environmental Stress Screening: Optional thermal cycling and vibration testing

  • International Certifications: ISO 9001 quality system, compliance with UL, CE standards

5. Final Assembly & Delivery

  • Enclosure Assembly: Complete finished product assembly

  • Burn-in Testing: Ensuring long-term product reliability

  • Custom Packaging: Professional packaging solutions tailored to client needs

  • Global Logistics: Efficient worldwide distribution network with on-time delivery

Our Technical Capabilities

Equipment & Facilities

  • Modern cleanroom production facilities 

  • Fully automated SMT production lines 

  • Advanced testing laboratory with comprehensive quality inspection equipment

  • ESD-protected production environment

Production Specifications

  • PCB Dimensions: Minimum 10mm×10mm, maximum 600mm×500mm

  • Board Thickness: 0.4mm-4.0mm

  • Minimum Trace/Space: 3mil/3mil

  • SMT Placement Accuracy: ±0.025mm

  • Production Capacity: Monthly capacity exceeding 5 million placement points

Service Advantages

Quality Advantages

  • First-pass yield rate exceeding 99.5%

  • Dedicated quality control team

  • Complete traceability system

  • Rigorous quality control procedures

Cost Advantages

  • Component cost reduction through volume purchasing

  • Optimized production processes minimizing waste

  • Flexible capacity allocation avoiding idle resources

  • Transparent cost structure with no hidden fees

Time Advantages

  • Standard lead time 15-25 days, expedited services available

  • Parallel processing of design, procurement, and production

  • Efficient supply chain management shortening procurement time

  • Real-time production progress tracking system

Service Advantages

  • Dedicated project manager throughout the process

  • 24/7 technical support

  • Flexible order quantities (low-volume prototyping supported)

  • Strict intellectual property protection measures

Application Areas

Our PCBA manufacturing services are widely used in:

  • Consumer Electronics: Smart home devices, wearables, entertainment electronics

  • Industrial Control: PLCs, sensors, industrial automation equipment

  • Communication Equipment: Routers, switches, base station equipment

  • Medical Electronics: Medical monitoring devices, diagnostic instruments

  • Automotive Electronics: Infotainment systems, control modules

  • IoT Devices: Smart terminals, gateway equipment

Customer Collaboration Process

  1. Requirements Consultation: Provide product requirements and design documents

  2. Solution Evaluation: We assess technical feasibility and costs

  3. Quotation Confirmation: Detailed quotation and delivery schedule provided

  4. Prototype Validation: Small-batch trial production and quality verification

  5. Volume Production: Scheduled mass production

  6. Ongoing Support: After-sales support and continuous improvement

Why Choose Our Turnkey EMS Service?

Experienced Team: Engineers and technicians with 10+ years of industry experience

Flexible Production Models: Support for all stages from prototyping to mass production

Stringent Quality Standards: Rigorous inspection criteria at every process step ensuring product reliability

Customer-Focused Service: Solutions customized to your specific needs, not standardized processes

Continuous Innovation: Regular equipment and technology updates maintaining industry leadership


Start Your Project
Please send your project requirements, circuit design files, or BOM list to us. Our engineering team will provide preliminary evaluation and quotation within 24 hours.


We are committed to being your most reliable electronics manufacturing partner, providing high-quality PCBA mainboards and complete electronics manufacturing solutions.


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