Established in 2004, Beijing SOFN Instruments Co., Ltd. (SOFN) is a leading force in the research, development, and manufacturing of optoelectronic instruments. Our main products include solar cell spectral response QE/IPEC testers, solar cell I/V performance testers, solar simulators, spectral testing systems, precision positioning systems, precision motion control stages, displacement stages, opto-mechanics series, and optical platforms. Currently, SOFN products are widely used in major universities, research institutes, and related industries, covering a wide range of fields such as physics, chemistry, new materials, new energy, environmental protection, biology, meteorology, aerospace, and many other fields. SOFN is proud to hold ISO9001:2008 quality management system certification and has two core technologies: spectral testing technology and precision motion control technology. It has obtained 25 patents, 24 computer software copyrights, and has become a patent pilot unit. Some products have won the gold medal in the Beijing Innovation and Invention Competition and the second prize in the Mechanical Industry Science and Technology. They have been rated as independent innovative products in Beijing.

Since its establishment, the company has accumulated extensive experience in the industry. While prioritizing the enhancement of its own research and development capabilities, SOFN maintains close collaborations with multiple research institutes to jointly establish optoelectronic laboratories, ensuring the leading-edge and applicability of its products. The company boasts a specialized solar photovoltaic laboratory, providing comprehensive solutions for spectral response testing and film thickness control for various types of solar cells (monocrystalline silicon, polycrystalline silicon, thin film cells, dye-sensitized cells, etc.). This enables SOFN to offer professional solar cell experimentation and testing services to its customers.

Our dedication is unwavering. We are devoted to delivering excellent and comprehensive solutions, providing expert and efficient technical support, and offering swift responses for all your after-sales needs. Our ultimate aim is to ensure your perpetual satisfaction, trust, and continued partnership!