quartz glass heaters 1,gold coating tube 2,highly heatproof wire 3,German technology advantage SENTTECH energy saving gold plated short wave infrared halogen quartz glass heaters 1,produce maximum output in form of heat energy2,adopt firmly burnt-in heating coils 3,incorporate highly heatproof wire4,import high purity quarts of 99.99%5,save electric energy by 60% in general6,heat from within, ...