China Thermostat,Heater,Sensor, switching power supply, relay,soft starter - YUEQING WINSTON ELECTRIC as a professional 50w power supply manufacturer and supplier in China, all the 50w power supply have passed the international industry certification standards, and you can be completely assured of quality. If you do not find your own Intent 50w power supply in our product list, you can also contact us, we can provide customized services.