Specializing in double side PCB, multiplayer PCB, f4bk PCB, ceramic PCB, Rogers PCB, aluminum PCB. Layer: 1 layer Material: ceramic , f4 bk-2 , aluminum, Rogers, high tg fr4, 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. * we can provide quick turn prototype and small quantity pcbs with short lead time. * the quality of our products is excellent and stable. * we choose the best material for all our products. * we will send the boards to you by DHL, TNT, UPS, Fedex and so on to saving the transport time. * for responsing promptly, we will reply your e-mail from 9: 00am to 23: 00pm by two shifts. We sincerely hope to establish longtime and friendly business relationship with you. Good quality, reasonable price and the 5-star service are guaranteed.