Nanjing Huaxin Analytical Instrument Manufacturing Co., Ltd. (Huaxin Analytical Instrument Research Institute, School of Materials, Southeast University) was established in 1999, covering an area of 13500 square meters, with a registered capital of 5 million yuan. All series of analytical instruments produced have independent intellectual property rights. Photoelectric direct reading spectrum analyzer, carbon sulfur analyzer, infrared carbon sulfur analyzer, high-frequency infrared carbon sulfur analyzer, hot metal carbon silicon analyzer, metal element analyzer, metallographic analyzer, etc. have all been recognized as high-tech products and key new products in Jiangsu Province. It is widely used in machinery, metallurgy, casting, steel, metal products, construction, petrochemical industry, mining, power, product quality supervision and inspection institute, colleges and universities, scientific research institutes and other fields. It can detect the percentage content of carbon, sulfur, silicon, manganese, phosphorus, nickel, molybdenum, chromium, copper, rare earth, magnesium, lead, aluminum, iron, titanium, zinc, niobium, vanadium, tungsten and other elements in a variety of nonferrous alloys such as plain carbon steel, high, medium and low alloy steel, various cast iron, rare metals, powders, ores and copper aluminum. The company was recognized as a high-tech enterprise in Jiangsu Province in 2007. The "Huaxin" trademark was recognized as the title of "Famous Trademark of Jiangsu Province" in 2007, and Huaxin products were awarded the title of "Product of Jiangsu Province" in 2008.