... price 3, good quality 4, quick delivery 5, considerate service Circuit Electronic PCB Material: Imported from Taiwan, Japan NEC, BERGQUIT Board thickness ... *530mm (board thickness>1.2mm)F, Six-layer pcb: 430*430mmG, Eight-layer pcb: 430*430mmH, More than eight layers: 270*280mm ... , SGS Quality first and credit stands foremost; We are professional PCB manufacturer circuit electronic pcb