... multi-layer pcb,Power supply PCB production and pCB assemblying, including material purchasing test, packing and quick del FR-4, multi-layer pcb,Detailed ... technical requirements:layer:6material:FR4(SY)Board thickness: 1.0mmSurface ... approval,ISO14001:2004 and the UL approval.we provide PCB layout,PCB design,PCB fabricaton,PCBA,PCB assembly,FPC,rigid board, ...