As a china professional pcb&pcba manufacturerú¼greentek electronics co., ltd specialize in single sided pcb, double side pcb, multi-layer pcb, f4bk pcb, rogers pcb, aluminum pcb. Produce: single sided pcb, double side pcb, multi-layer pcb, f4bk pcb, rogers pcb, aluminum pcb. Layer: 1-22 layers Material: f4bk-2 , aluminum, rogers, high tg fr4, fr1, cem-1, fr-4, etc. Board thickness: 0.4-6.0 mm Treatment: lead free hasl, enig, immersion tin, immersion silver, osp etc. Treatment Solder mask: green, red, white, yellow, black, blue. Service: * provide quickturn prototype and small quantity pcbs with short lead time. * quality excellent and stable. * best material for all our products. * dhl, tnt, ups, fedex etc. To saving the transport time. * 24hours-7days- 365days response. We sincerely hope to establish longtime business cooperation with you. Top quality, reasonable price and the 5-star service are guaranteed. We look forward to your detail gerber files and will be your most reliable partner in the soon future. Vacuum packing