PCBA, Open Frame Switching Power Supply, SMPS manufacturer / supplier in China, offering Computer Accessories DC-DC Switching Power Supply 12V PCBA Mainboard with WiFi/Bluetooth Control Printed Circuit Board for Phone Mobile Cellphone, Sqd-643 15W-25W 18-65V 100-800mA LCD TV Display Monitor Custom PCBA LED Converter Backlight Driver Inverter Open Frame Switching Power Supply Board PCB Assembly, DC-DC Power Supply Board PCB Module Power Adapter for CCTV Cameras Printed Circuit Board 12V 24V 800W 900W 100kw 10A 5A and so on.