1-1 Select material
All material before enter in our warehouse , have to pass the strict checking from our quality department ,Ensure the quality guarantee
Checking items including size tolerance ,appearance ,high temperature resistance test ect ...
All resistance wire are 100% electrically tested .NO uneven heating
Resistance wire material form OCR25AL5, NI23AL3..... also provide customized product
Each of quartz IR lamp 100% electrically tested , ensure the voltage and power within international standard tolerance .+5%-10%. During this test, also find out the inside Eisenstein resistence wire is 100% correct wire average
Test way 1 : Increasing 1.35 times voltage working for 500 hours
Test way 2 :Increasing the voltage to 1.2 times 10minutes on ,5minutes off ,200hours cycle