4L SMD Powder Battery Supply Equipment PCB Module Printed Circuits Board Assembly. Fast Sample Turnaround: Samples are generally finished within 2-3 days for quick testing. Comprehensive Certification: Certified with UL, ISO 9001, ISO14001, and IATF16949 standards. Rapid Quotation Service: Quotes provided within 1 hour of inquiry, delivered in 2-24 hours. Large Scale Manufacturing: Factory with 1100 workers and 50,000 sqm workshops in Shenzhen. Wide Material Options: Supports FR-4, CEM-1/3, PI, Rogers, PTEF, and Alu/Cu Base materials. Strict Quality Control: Every PCB and PCBA is tested before shipment to ensure quality. Flexible Order Acceptance: Small orders and mixed sample orders are accepted for all customers. Advanced Processing Tech: Capable of 1-20 layers, 3mil line width, and 16:1 aspect ratio.