1800c High Temperature Muffle Furnace, High Temperature Furnace, Resistance Furnace manufacturer / supplier in China, offering (4Liters) 1800c High Temperature Muffle Furnace for Laboratory Euipment Stm-4-18, Furnace for Thermal Treatments 1000 Degrees Heat Treatment Furnace Oven, 1400c High Temperature Vacuum Electric Tube Furnace for Heat