PCB LED全系列；通讯类；电源+新能源；IC载板+软硬结合板;2-4L;6-12L;14-18L;20-24L;24+L; HDI; FPC; R-FPC; Ceramic; High frequency; 铝基板；铜基板；陶瓷基板；软基板；软硬基板；镀金基板；多层基板PCB