SYH is a custom PCB manufacturer delivering customized PCBA, customized PCB assembly, and customized design PCB solutions from prototyping to fabrication and production. We specialize in aluminum, FR4, copper, multilayer, and flex PCBs for LED lighting, automotive electronics, medical devices, and consumer electronics. Our services include customized design PCBA support, PCB design assistance even without a Gerber file, functional prototype offers, low minimum order quantities, component sourcing, and PCB rework and repair. Every board undergoes strict quality control, from material selection to automated optical inspection, ensuring reliable performance. Whether you need a prototype or full-scale production, SYH provides cost-effective customized PCB and PCBA solutions tailored to your project.