RingPCB:ISO Certified Multilayer PCB Manufacturing | Custom Boards
& SMT Assembly Service
At Ring PCB, we specialize in custom multilayer printed circuit board solutions and advanced multilayer PCB manufacturing. With 17 years of industry experience, we provide professional PCB fabrication, assembly, and turnkey
PCBA services trusted by clients worldwide.
We operate two modern facilities in Shenzhen and Zhuhai, covering 5,000㎡ with over 500 skilled employees. All products meet strict international certifications including ISO9001, ISO14001, ISO13485, and IATF16949. From rapid prototyping in 3 days to mass production within 7 days, we ensure high efficiency, precision, and consistent quality.
Serving Diverse Industries with Multilayer PCBs
Our multilayer PCBs are widely applied across:
Automotive electronics – ADAS, EV power systems, lighting, and infotainment
Medical devices – Imaging systems, monitoring equipment, wearable health
electronics
Telecommunication & Networking – 5G base stations, routers, high-frequency boards
Consumer Electronics – Smartphones, IoT devices, smart home products
Industrial Control – Automation, robotics, instrumentation, and power supplies
Aerospace & Defense – High-reliability PCBs for radar, navigation, and communication
systems
With expertise in different industries, we deliver tailored multilayer PCB solutions that meet stringent performance and reliability demands.
Overcoming Technical Challenges at Ring PCB
Through years of innovation, Ring PCB has successfully solved critical technical challenges in
multilayer PCB manufacturing, such as:
High-density interconnect (HDI) fabrication with laser drilling down to 0.1mm
Impedance control for high-frequency and high-speed signal integrity
Thermal management for high-power and LED metal-core PCBs
Rigid-flex integration for lightweight, space-saving designs
Fine-pitch BGA and microvia plating to support advanced IC packaging
Low-loss materials for RF and microwave PCB applications
These capabilities enable us to produce reliable, high-performance custom multilayer printed circuit boards even for complex and demanding projects.
Technical Capabilities & Parameters
| Specification | Capability |
|---|
| PCB Layers | 2–40 layers |
| Maximum Board Size | 600mm × 1200mm |
| Minimum Trace/Space | 3mil/3mil (0.075mm) |
| Minimum Hole Size | 0.1mm (Laser drilling) |
| Surface Finishes | HASL, ENIG, Immersion Tin, OSP, Hard Gold, etc. |
| Materials | FR4, High-Tg FR4, Rogers, Polyimide, Metal-core, Halogen-free |
| Thickness Tolerance | ±10% |
| Copper Thickness | 0.5oz – 6oz |
| Solder Mask Colors | Green, Black, Blue, White, Red, Yellow |
| Assembly Service | SMT, DIP, Mixed, BGA, COB, Fine-pitch (down to 0.25mm) |
| Testing | 100% E-test, AOI, X-ray inspection, Functional testing |
Your Trusted PCB Manufacturing Partner
With over 17 years of expertise, Ring PCB ensures that every custom multilayer PCB and multilayer printed circuit board is built to the highest standards. From OEM & EMS services to full-turnkey PCBA solutions, we provide a complete supply chain that helps you reduce costs,
accelerate time-to-market, and guarantee reliability.
Contact us today at info@ringpcb.com or visit https://www.turnkeypcb-assembly.com.
