Shanghai Spectrum Instruments co.,LTD, was established in 1999, is one of the major R&D and manufacturer of Atomic Absorption Spectrophotometer, UV/VIS Spectrophotometer and Quick Solvent Extractor in China. Nowadays , SSI products have been widely used in petrochemical industry, environmental monitoring, food safety, bio-pharmaceutical, mining, scientific research, education and various related fields. Exported to more than 30 countries and regions such as Europe, North America, South America, Africa and Southeast Asia. The products are well recognized by experts and professional from all over the world. In 2018 PerkinElmer Inc, a global leader committed to innovating for a healthier world, has acquired Shanghai Spectrum Instruments Co.,Ltd.