... ,our 80%furnace is for export ,so we have best after service and do in time service,our ... memory in the resistance, it will have a lot of Joule heat, so that a rapid increase in temperature of the object ... to frequency power supply, furnace temperature required to set a temperature alarm device. 5, coatings for corrosion-resistant resin ... power, you can run, for the user save a lot of installation costs.