ISO Certified Multilayer PCB Assembly (Up to 32L)
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
Our ISO-certified multilayer PCB assembly service provides a comprehensive solution from prototyping to mass production, designed for electronic devices requiring high performance, reliability, and complex routing. With manufacturing capabilities of up to 32 layers, we meet the most demanding requirements for industrial, medical, aerospace, and telecommunications applications.
Core Advantages
ISO-Certified Quality System
ISO 9001:2015 Quality Management System Certified
ISO 14001 Environmental Management System Certified
Fully traceable production process
Compliant with international electronics manufacturing standards
Advanced Manufacturing Capabilities
Layer Range: 2 to 32-layer multilayer PCBs
Board Thickness: 0.4mm to 6.0mm
Min. Line Width/Spacing: 3/3 mil
Surface Finish: ENIG, Immersion Silver, OSP, HASL, etc.
Material Options: FR-4, High-Frequency Materials, High-Tg Materials, Aluminum Substrates, etc.
Technical Specifications
| Parameter | Specification |
|---|---|
| Maximum Layers | 32 layers |
| Board Thickness Tolerance | ±10% |
| Minimum Hole Size | 0.15mm |
| Copper Thickness Range | 0.5oz to 6oz |
| Impedance Control | ±10% |
PCBA Assembly Capabilities
| Process | Description |
|---|---|
| Component Types | 01005, BGA, QFN, CSP, etc. |
| Placement Accuracy | ±0.025mm |
| Soldering Process | Lead-free soldering, Selective soldering |
| Inspection Technology | AOI, X-ray, Flying Probe Test |
| Conformal Coating | Optional, IPC compliant |
Application Fields
Medical Equipment
Medical imaging systems
Patient monitoring devices
Portable diagnostic instruments
Aerospace & Aviation
Flight control systems
Communication and navigation equipment
Avionics systems
Communication Equipment
5G base station equipment
Network switching devices
Satellite communication systems
Industrial Control
PLC control systems
Industrial automation equipment
Power monitoring systems
Quality Control Process
1. Incoming Material Inspection
Certified component suppliers
Material batch traceability system
100% inspection of critical parameters
2. In-Process Control
Real-time SMT process monitoring
Reflow soldering profile optimization
ESD protection measures
3. Final Product Testing
Functional Circuit Test (FCT)
In-Circuit Test (ICT)
Environmental reliability testing
Why Choose Us?
Expert Team
Engineers with 10+ years of PCB industry experience
Professional DFM analysis capabilities
24/7 technical support
Complete Supply Chain
Partnerships with globally renowned component suppliers
Secure inventory management system
Component alternates consultation
Confidentiality & Security
Strict NDA agreements
Isolated customer data management
IP protection measures
Frequently Asked Questions
Q: What is the typical lead time for a 32-layer PCB?
A: Standard lead time is 18-25 working days, depending on design complexity and material availability.
Q: Do you support low-volume prototyping?
A: Yes, we offer full-range services from 1-piece prototypes to high-volume production.
Q: How do you ensure quality of hidden solder joints like BGAs?
A: We utilize high-resolution X-ray inspection equipment to ensure 100% inspection of all hidden solder joints.
Q: Do you provide design support services?
A: Yes, our engineering team offers free DFM/DFA design optimization advice.