Comprehensive Turnkey PCBA Service: From SMT Assembly to Box Build
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
Product Overview
We provide a complete solution from design support, component procurement, PCB fabrication to final product assembly. Whether you require prototyping or volume production, our end-to-end service ensures quality, reduces cost, and accelerates your time-to-market.
Core Service Flow
1. Design Support & Engineering Analysis
DFM/DFA Optimization: Free Design for Manufacturability analysis to enhance production efficiency.
Schematic & PCB Design Review: Optimization suggestions from our professional engineering team.
BOM Analysis: Component selection guidance and alternative solution recommendations.
Rapid Prototyping: Support for functional verification and design iteration.
2. SMT (Surface Mount Technology) Assembly
High-Speed Precision Placement: Utilizing NXT series placement machines, accuracy ±0.025mm.
Multi-Size Component Support: From 01005 micro components to large BGA, QFN packages.
Solder Paste Inspection: Fully automated SPI ensures printing quality.
Reflow Soldering: 10-zone nitrogen-protected reflow oven minimizes oxidation defects.
3. Through-Hole & Post-Assembly
Selective Wave Soldering: For mixed-technology boards.
Hand Soldering & Rework: Specialized components handled by skilled technicians.
Conformal Coating & Potting: Application of protective coatings, thermal paste, epoxy potting.
Harness & Connector Assembly: Custom cable harness fabrication and connection.
4. Functional Testing & Quality Control
Automated Testing: ICT, FCT, Flying Probe Test.
Burn-in Testing: High-temperature aging test screens early failures.
AOI (Automated Optical Inspection): 3D AOI for solder joint quality.
X-ray Inspection: For hidden solder joints (BGA, QFN, etc.).
5. Box Build / Final Product Assembly
Enclosure Fabrication & Customization: Design and manufacturing of plastic/metal enclosures.
System Integration: PCB installation, cable management, mechanical assembly.
System Integration Test: Full product functional validation.
Packaging & Labeling: Custom packaging design and product labeling.
Technical Specifications & Capabilities
| Item | Specification & Capability |
|---|---|
| PCB Size Range | Min 20mm × 20mm, Max 500mm × 600mm |
| Board Thickness Support | 0.4mm - 5.0mm |
| Minimum Component Size | 01005 (0.4mm × 0.2mm) |
| Placement Accuracy | ±0.025mm (Cpk≥1.33) |
| BGA Pitch Support | Minimum 0.3mm pitch |
| Daily Placement Capacity | Up to 8 million placement points |
| Monthly Production Capacity | 50,000 sq.m of PCB assembly |
| Lead-Free Process | RoHS compliant, meets global environmental standards |
Quality Assurance System
Quality Control Checkpoints
Incoming Material Inspection: 100% batch verification for all components.
Process Control: Real-time SPC (Statistical Process Control).
Final Inspection: AQL sampling or 100% full inspection.
Traceability: Batch tracking and serial number management.
Industry Applications
Consumer Electronics: Smart home, wearables, entertainment systems.
Industrial Control: PLCs, HMIs, sensor modules.
Medical Devices: Patient monitors, diagnostic equipment, portable medical devices.
Automotive Electronics: Infotainment, ADAS, control modules.
Telecommunications: Routers, switches, base station modules.
IoT Devices: Gateways, node devices, sensors.
Why Choose Us
Cost Efficiency
Transparent Pricing: No hidden fees, clear quotes per phase.
Supply Chain Optimization: Bulk purchasing power reduces component costs.
Logistics Simplification: Single supplier reduces logistics and communication overhead.
Time Efficiency
Fast Turnaround: Prototypes in 5-7 days, volume production in 2-4 weeks.
Parallel Processes: Concurrent design, procurement, and production.
Real-Time Progress Tracking: Online portal for live production status.
Quality Assurance
Single-Point Accountability: One responsible party, no finger-pointing.
Professional Expertise: 15 years of PCBA manufacturing experience serving global clients.
Continuous Improvement: Data-driven process optimization and quality enhancement.
Project Collaboration Process
Requirement Consultation: Submit your needs for initial proposal and quote.
Design Review: Our technical team provides design optimization advice.
Prototype Build: Small batch for design and process validation.
Volume Production: Full quality control and schedule management.
Delivery & Support: Logistics arrangement and post-sales technical support.
Frequently Asked Questions
Q: Do you support low-volume prototyping?
A: Yes, we support from 1-piece prototypes to millions in volume production.
Q: What if I have design files but am unsure about manufacturability?
A: We offer free DFM analysis. You will receive a detailed report and improvement suggestions within 48 hours of file submission.
Q: Do you provide component procurement services?
A: Yes, we offer full component procurement, management, and inventory services, including supply chain risk management.
Q: What is your quality control process like?
A: We have quality checkpoints at every production stage, providing detailed inspection reports and full traceability records.
Start Your Project
No matter which stage your product development is in, we can provide the corresponding support. Please share your requirements, and our engineering team will develop a customized plan for you within 24 hours.
Contact us for a custom quote and free design review!
