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