Our factory professional manufacturer Print circuit board,PCB Design, PCB assembly, PCB Copy, PCB layout for 12 years.Our factory area is 3000 square meter. We have 4 Engineers, 100 workers. There have 4 Dip Production line and 4 SMT Production line. Our main products including Control Board, LED Board, Power Board, Bluetooth Board. 1. Material: FR-4, CEM-1, CEM-3, Hight TG, FR4 Halogen Free, FR-1, FR-2, Aluminum 2. Board thickness:0.2mm-7mm 3. Max.finished board side:500mm*500mm 4. Min.drilled hole:0.25mm 5. Min.line width:0.075mm(3mil) 6. Copper thickness:0.5-4.0oz