Shanghai Yidian Physical Optics Instrument Co., Ltd. (referred to as Shanghai Yidian Physical Optics) is a key joint-stock backbone enterprise under Shanghai Yidian Scientific Instruments, affiliated with Shanghai Yidian (Group) Co., Ltd. Its predecessor was Shanghai Precision Scientific Instruments Co., Ltd. Physical Optics Instrument Factory. The company originated in 1951 and is one of the earliest professional manufacturers of physical optical instruments in China. Registered trademark "Yidian Wuguang" “SGW”、 Shenguang has a long history and has won many honors such as Shanghai brand and domestic good instruments.

For over seventy years, the company has been dedicated to the research and development of physical optical instruments, accumulating profound technology and rich experience. Its product technology has always been in line with international technology, leading the development of domestic physical optical instruments. At present, it has 11 series of more than 100 types of products, such as polarimeter, melting point meter, refractometer, densimeter, photometer, colorimeter, particle size analyzer, turbidimeter, stress meter, cone penetrometer, vibrating screen, etc., which are widely used in scientific research in universities, food and medicine, petrochemical industry, essence spices, textile building materials, quality inspection and other industries. They are favored by users and exported to Europe, America, Southeast Asia, the Middle East and other regions.

The company always adheres to the guidance of the market and user needs, upholds the core values of "integrity, pragmatism, innovation, excellence, cooperation, and far-reaching", inherits innovation, continues to develop, and continues to provide high-quality products and services for our customers. We are committed to becoming an advanced manufacturer of physical optical instruments, a provider of testing system solutions and services!