Vacuum medium frequency sintering furnace is a periodic operating electric furnace, which is widely used for sintering cemented carbide, high-temperature alloys, optoelectronic materials, functional ceramics, transparent ceramics, powder metallurgy, etc. under high temperature, high vacuum and protective atmosphere conditions.It is also suitable for powder molding and sintering of refractory alloys such as tungsten, molybdenum and their alloys by scientific research, military and industrial units.