To the hot metal carbon silicon analysis in front of the furnace or the hot metal carbon silicon manganese analyzer in front of the furnace, the five elemental analyzers (chemical analysis) in front of the furnace, the five elemental analyzers are commonly known, in fact, the five elemental analyzer can analyze many elements (C, S, Si , Mn, P, Ni, Cr, Mo, Ti, Cu, W, V, ΣRE, Mg, etc.) 2. Spectrometer; 3. Metallographic analyzer; 4. Universal testing machine; 5. Hardness tester; Ultrasonic flaw detector; 7. Box type electric furnace (alias: muffle furnace) 8. Dry box and so on.