If you have questions about our products, Fill out the form below and we will answer any questions you have. Tips: Fields marked with*are required. Power Bank PCB Assembly, Turnkey PCB Assembly ServiceProduct Name: Custom pcb&pcba & Original IC Electronic components Base Material: FR1~FR4/Aluminum/PI/CU Board Thickness: according to customer`s requirements , 0.4mm-3.2mm Layer: according to customer`s requirements , 1~58Layers Certificate: ISO9001 Surface Finishing: LeadFree HASL/Immersion Silver/ENIG Solder mask color: according to customer`s requirements, Green Black Red Blue Silkscreen: according to customer`s requirements, Black White Note: Please provide Gerber file and Bom List… [contact-form-7 id="263" title="Product-InquiryForm"]