Nanjing Changding Analytical Instrument Manufacturing Co., Ltd. (formerly known as Nanjing Third Analytical Instrument Factory) is a high-tech enterprise specializing in the production, research and development, and sales of various gas analysis instruments; The company relies on long-term technological accumulation and innovation, and its products have achieved full intelligence. Reliable performance and quality have replaced similar imported products in many fields, and have gained recognition and praise from a large number of users. The company's main products include gas analyzers, dew point meters, gas detection alarms, etc., which are widely used in fields such as power, electronics, metallurgy, chemical industry, petroleum, coal, mining, railway, medicine, and scientific research institutions. The company adheres to the principles of "technological innovation, quality-oriented, and honest management", providing high-quality products, accurate and timely services, and product solutions to our customers.