4 Layer PCB Manufacturing Service

A 4 layer PCB consists of four conductive copper layers laminated together, providing greater routing capacity and improved signal integrity compared with double-sided PCBs. It is widely used in electronic products that require compact layouts, stable performance, and reliable electrical connections.

Huayihai manufactures custom 4 layer PCBs for prototype, low-volume, and mass production, delivering consistent quality and precision for a wide range of industries.

Key Features

• Higher routing density
• Improved signal integrity
• Compact PCB design
• Stable electrical performance
• Reliable multilayer structure
• Custom fabrication service

PCB Manufacturing Capabilities

Typical Applications

Industrial Communication Control Board
This custom 4 layer PCB was manufactured for an industrial communication controller requiring stable signal transmission and a compact layout. The optimized stack-up improved routing efficiency while ensuring reliable long-term performance.

Why Choose Huayihai

• Over 20 years of PCB manufacturing experience
• One-stop PCB fabrication and PCB assembly services
• Advanced production equipment and automated inspection
• Strict quality control throughout the manufacturing process
• Fast prototype and mass production support
• Professional engineering and technical support
• Competitive pricing with reliable delivery

FAQ

Q1: What types of flexible PCBs do you manufacture?
We manufacture single-sided, double-sided, and multilayer flexible PCBs.

Q2: Can you provide custom flexible PCB solutions?
Yes. We support customized designs based on your Gerber files, specifications, and application requirements.

Q3: Do you provide PCB assembly services for flexible PCBs?
Yes. We offer complete PCB assembly services, including component sourcing, SMT assembly, DIP assembly, testing, and final inspection.

Q4: What file formats do you accept for quotation?
We accept Gerber files, BOM lists, Pick & Place files, PCB drawings, and other standard engineering documents.