... FPC board 4. UL, RoHS, SGS Double Sided PCB For OEM ServiceShenzhen Yuzhixiang Electronics Co., Ltd, also named Sunsoar Precision ... , medical devices, lingting systems, outdoor systems, network devices and consumer electronics class fields. Welcome to send us your inquiry. We ... 2) Clear pictures of pcb/ fpc/ pcba or pcba sample for us3) The PCB specification: base material, board thickness, copper ...