Introduction: HEIDENHAIN's products are the guarantee for efficient and effective operation of machine tools and large equipment. Since HEIDENHAIN was rebuilt in Traunreut, Germany in 1948, it has delivered over 6 million sets of linear grating rulers, 15 million sets of rotary encoders and angle encoders, 500000 digital display devices, and nearly 260000 sets of TNC CNC systems. Today and in the future, the professional knowledge accumulated during this period will become the guarantee that HEIDENHAIN company is the right choice for you. The continuous provision of technically excellent products, reliable and customer-oriented products, and practical concepts are the foundation of Heidenhain's development. HEIDENHAIN collaborates closely with both research institutions and clients. We are committed to providing users with a large number of highly personalized solutions for measuring straight lines and angles, fully demonstrating our strong competitiveness. This includes the measurement and testing equipment we have designed and developed for global standard laboratories, as well as angle encoders used in astronomical telescopes and satellite receiving antennas. HEIDENHAIN's standard products also benefit from the knowledge and experience accumulated in these projects.