Reliable PCB Manufacturing & Assembly Solutions
High-performance PCBs with exceptional quality, fast lead times and expert support. From prototype to mass production, we bring your ideas to life.
24–48 hrs
Quick-Turn Prototypes
99.6%+
On-Time Delivery
50+ Countries
Global Export Experience
Expert Support
Design to Delivery
98.5%+
On-Time Delivery
23+ Countries
Global Export Experience
Expert Support
Design to Delivery
Why Choose Topline Circuit
Engineered for durability, reliability, and long-term stable performance.
Durable Materials
Premium materials for long-lasting reliability.
Flame Resistance
Excellent fireproof performance for superior safety.
UV Stability
Resistant to UV rays for outdoor and harsh environment use.
Low Maintenance
Engineered for long service life with minimal maintenance.
All-Climate Reliability
Performs in extreme heat, cold, and humidity.
Stable Performance
Consistent electrical performance you can count on.
Durable Materials
Premium materials for long-lasting reliability.
Flame Resistance
Excellent fireproof performance for superior safety.
UV Stability
Resistant to UV rays for outdoor and harsh environment use.
Low Maintenance
Engineered for long service life with minimal maintenance.
All-Climate Reliability
Performs in extreme heat, cold, and humidity.
Stable Performance
Consistent electrical performance you can count on.
Our Capabilities
From quick prototypes to turnkey assembly, keep every PCB stage under control.

PCB Fabrication
Precision PCBs with advanced technology and strict quality control.

PCB Assembly
SMT, THT and full turnkey assembly solutions.

HDI Boards
High-density interconnect boards for complex designs.

Flexible PCBs
Lightweight, flexible solutions for dynamic applications.

Rigid-Flex PCBs
Combining rigid and flex for high reliability and space savings.

Testing & Inspection
AOI, X-ray, ICT and functional testing for zero-defect quality.
Our Capabilities
From quick prototypes to turnkey assembly, keep every PCB stage under control.

PCB Fabrication
Precision PCBs with advanced technology and strict quality control.

PCB Assembly
SMT, THT and full turnkey assembly solutions.

HDI Boards
High-density interconnect boards for complex designs.

Flexible PCBs
Lightweight, flexible solutions for dynamic applications.

Rigid-Flex PCBs
Combining rigid and flex for high reliability and space savings.

Testing & Inspection
AOI, X-ray, ICT and functional testing for zero-defect quality.
Our Capabilities
From quick prototypes to turnkey assembly, keep every PCB stage under control.

PCB Fabrication
Precision PCBs with advanced technology and strict quality control.

PCB Assembly
SMT, THT and full turnkey assembly solutions.

HDI Boards
High-density interconnect boards for complex designs.

Flexible PCBs
Lightweight, flexible solutions for dynamic applications.

Rigid-Flex PCBs
Combining rigid and flex for high reliability and space savings.

Testing & Inspection
AOI, X-ray, ICT and functional testing for zero-defect quality.
How We Work
A clear process from engineering review to delivery.
Consultation
Share your requirements and receive expert recommendations.
Engineering Review
DFM analysis and design optimization for better performance.
Production
Advanced manufacturing with strict process control.
Quality Inspection & Delivery
Rigorous testing and on-time delivery to your door.
How We Work
A clear process from engineering review to delivery.
Consultation
Share your requirements and receive expert recommendations.
Engineering Review
DFM analysis and design optimization for better performance.
Production
Advanced manufacturing with strict process control.
Quality Inspection & Delivery
Rigorous testing and on-time delivery to your door.

- ISO 9001:2015 Certified
- IATF 16949 Compliant
- RoHS & REACH Compliant
- IPC-A-600 Class 2/3 Standards
- 100% E-Test & AOI Inspection
Quality & Certifications
Quality is at the heart of everything we do. Our ISO-certified processes and advanced testing ensure every board meets international standards.
- ISO 9001:2015 Certified
- IATF 16949 Compliant
- RoHS & REACH Compliant
- IPC-A-600 Class 2/3 Standards
- 100% E-Test & AOI Inspection
Ready to Build Better Electronics?
Get a fast, competitive quote for your PCB or assembly project today.
Contact Us
Send us your PCB files, requirements, or questions. Our team will reply quickly.
+86 13425156463
WhatsApp / WeChat
sales@toplinecircuit.com
Email us for a quote or engineering support.
Shenzhen, China
The 3rd Floor BuildingB3, Yanchuan North Industry Park Yanluo Street Baoan Dist.
Mon – Sat: 9:00 AM – 6:00 PM
GMT+8
Request a Quote
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