Turnkey Solution Service RoHS Custom Electronic Fr4 94V0 Circuit Board PCB Manufacturing Design PCBA Assembling. Dual Factory Capacity: Shenzhen factory for small/middle volume and Huizhou factory for big volume and HDI production. Fast Turnaround Options: Quickest lead time as fast as 24 hours for double-sided boards. Extensive Material Range: Supports FR-4, CEM-1, Aluminum, Copper, Rogers, and High TG materials. High Precision Capability: Min drilled hole 0.1mm, min line width/space 0.1mm (4mil). Comprehensive Surface Finishes: Offers HASL, ENIG, Immersion Tin, OSP, Gold Finger, and Carbon Ink. Global Certifications: Certified with UL, ISO9001, ISO14001, and SGS standards. Large Scale Production: Annual production capacity reaches 720,000 square meters. Flexible Customization: Customizable layers from 1 to 20, board thickness 0.2mm to 6mm.