... . Produce PCB and FPC board 4. UL, RoHS, SGS High Quality PCB Manufacturing Shenzhen Yuzhixiang Electronics Co., Ltd, also named Sunsoar ... , gold immersion thickness, and any other special requirements.4) Test method for PCB/PCBA Delivery Time for Hi-frequency PCB1 ... free Materials (RoHS Compliant) , CEM-3, CEM-1, Aluminium, High frequency Material (Rogers, Teflon, Taconic)Layer No.1 - 30 LayersBoard ...