The furnace molten iron carbon silicon analysis or the furnace molten iron carbon silicon manganese analyzer, the furnace five element analyzers (chemical analysis), the five element analyzers are commonly known, in fact, the five element analyzers can analyze many elements (C, S, Si, Mn, P, Ni, Cr, Mo, Ti, Cu, W, V, ΣRE, Mg, etc.) 2. Spectral analyzer; 3. Metallographic analyzer; 4. Universal testing machine; 5. Hardness tester; 6. Ultrasonic Flaw detector; 7. Box-type electric furnace (alias: muffle furnace) 8. Drying box, etc.