Foundry industry laboratory before the need for hot metal carbon silicon analysis or before the molten iron carbon silicon manganese analyzer, five elements before the furnace analyzer (chemical analysis), the five elements analyzer is commonly known, in fact, five elemental analyzer can analyze many elements (C , S, Si, Mn, P, Ni, Cr, Mo, Ti, Cu, W, V, ΣRE, Mg, etc.) 2. Optical spectrum analyzer; 3. Metallographic analyzer; 4. Universal testing machine; Meter; 6. Ultrasonic flaw detector; 7. Box electric furnace (alias: muffle furnace) 8. Oven and so on.