Specializing in the production of the instruments; laboratory equipment; laboratory equipment; materials testing; material testing; physical and chemical equipment; Dingtan instrument; Sulphur instrument; carbon and sulfur analyzer; carbon and sulfur analysis equipment; elemental analyzer; elemental analysis instruments; steel analytical instruments ; steel laboratory equipment; metal analysis instruments; metal laboratory equipment; alloy analysis equipment; alloy laboratory equipment; stainless steel analytical instruments; stainless steel laboratory equipment; ore analytical instruments; ore laboratory equipment; casting of the instruments; casting laboratory equipment; steel elements of the instruments; Metal elemental analysis instruments; alloying elements of the instruments; element laboratory analysis equipment; physical and chemical equipment; ore elemental analysis instruments, such as physical and chemical equipment. For the analysis of steel and steel alloys (cast iron, cast iron, ductile iron, iron alloy, alloy cast iron, carbon steel, cast steel, high, medium and low-alloy steel, stainless steel, etc.), non-ferrous metals and alloys (aluminum, copper alloy , zinc alloy, magnesium alloy, etc.), ores and other materials of carbon, sulfur, manganese, phosphorus, silicon, chromium, nickel, molybdenum, vanadium, titanium, aluminum, copper, iron, tin, zinc, lead, rare earth, magnesium, cobalt, cadmium, bismuth, strontium and other elements of content. Products are widely used in iron and steel, metallurgy, casting, mining, chemicals, machinery, construction and other industries and tertiary institutions, research institutes and quality supervision departments. . N: elemental analysis