Jiangsu Specst Scientific Instrument (SSI) Co., Ltd. was established in 2020 and is headquartered in Taicang City, Jiangsu Province. It is a technology company engaged in the research and development, production, and sales of mass spectrometers and supporting equipment.

The company focuses on independent research and industrialization of mass spectrometers, mastering core mass spectrometry technology, process production and assembly capabilities, and can customize non-standard mass spectrometry machines, as well as core components such as mass analyzers, ion sources, power modules, and detectors according to customer requirements. The company also provides analysis and testing services for specific samples based on self-developed equipment. At the same time, a sales center was also established in Shanghai.

Main products: ProC-1 online mass spectrometer, ProC-2 laboratory desktop mass spectrometer, ProC-1C in-situ catalytic photoionization mass spectrometer, ProC-1S online smoke mass spectrometer, cigarette smoke multi-component online analysis mass spectrometer, ProC-MSI-DPI-A photoionization mass spectrometer imaging system, MSI DPI-A photoionization mass spectrometer imaging system.