Left picture(made in Germany),right picture(made in Ruideer),compared and tested  one year,all the datas and results shows that ruideer furnace is keep the same level with Germany furnace no matter operation,safe interlock,stability,Magnetic saturation deviation,Coercivity deviation as well as temp.uniformity,their high comments inspire and encourage us much,thanks for all clients' trust,ruideer will put all energy into PM industry,make brand of "ruideer"large,strong and precise.