Changchun Yuheng Optical Co., Ltd. is located in Changchun National High-tech Industrial Development Zone. It is one of the first recognized high-tech enterprises in Jilin Province. It is a professional manufacturer of encoders, grating scales and rotary transformers. In 2019, it was awarded the first batch of national-level specialized and new "little giant" enterprises by the Ministry of Industry and Information Technology, and in 2022, it was awarded the manufacturing single championship demonstration enterprise by the Ministry of Industry and Information Technology.

The company has always focused on the research and development and production of displacement sensors and has become a leading enterprise in the sub-industry. The leading product grating encoder is widely used in the field of automation and is an important component of the control system. It is a CNC machine tool, AC servo motor, elevator, gold mining, major scientific research instruments, aerospace, automation assembly lines, robots, high-end testing equipment and other industries. Key sensor components that are indispensable in the field are important components for the upgrading of the equipment manufacturing industry.

Products are sold to 34 provinces, cities and autonomous regions across the country and more than 50 countries and regions around the world. R&D capabilities, technical level, industrial scale, market share, etc. all occupy an important position in the same industry. The products have passed the EU RoHS testing and CE Many authoritative certifications, including certification, explosion-proof certification and military product-related experimental verification.