Product research and development of characteristic PCB components (including embedded or analog characteristic impedance circuit, resistance capacitance LCR circuit, pressure sensing circuit, electromagnetic induction circuit, electromagnetic resonance circuit, electromagnetic reflection circuit, anti-interference EMI circuit, anti removal and anti detection circuit, anti-static ESD circuit, touch voltage electromagnetic screen circuit, thermoelectric conversion circuit) based on flexible PCB, rigid PCB and rigid flexible combination PCB manufacturing process technology Manufacturing and service.