... PCB and FPC board 4. UL, RoHS, SGS High Quality PCB Manufacturing Shenzhen Yuzhixiang Electronics Co., Ltd, also ... -frequency PCB1) Sample within 6 days for high frequency board2) Normal pcb within 4 days for ... (RoHS Compliant) , CEM-3, CEM-1, Aluminium, High frequency Material (Rogers, Teflon, Taconic)Layer No.1 - ... to contact usIf you send us your Gerber Files and PCB specifications, we will quote for ...