... FPC board 4. UL, RoHS, SGS Double Sided PCB For OEM ServiceShenzhen Yuzhixiang Electronics Co., Ltd, also named Sunsoar ... products are widely used in communication apparatus, automobile electronics, computers, medical devices, lingting systems, outdoor systems, network devices and ... Clear pictures of pcb/ fpc/ pcba or pcba sample for us3) The PCB specification: base material, board thickness, copper ...