The manufacturer of the 2010 GC With AOC-20i Autosampler is Shimadzu. The Shimadzu 2010 GC with AOC-20i Autosampler is a high-performance gas chromatography system designed for advanced analytical applications in the fields of pharmaceuticals, environmental testing, food and beverage, and other industrial applications. The AOC-20i Autosampler provides automated injection capabilities for increased efficiency and reproducibility. With its large capacity and precise injection control, the AOC-20i allows for high throughput analysis of large sample sets.