Corn wet milling involves the separation of corn into starch, fiber, germ and gluten. With a trend of increased production of value added corn based products, the demand and benefits of using extensive process monitoring and automation has become evident to the industry. Maintaining moisture and protein close to target in all process steps is essential to maintain operational margin. A leading food and feed additive supplier in China has installed four PerkinElmer DA 7300 In-line NIR instruments for use in two factories in China – one in Inner Mongolia and one in Xinjiang province. DA 7300 in-line measurements are used to control the refining of the Gluten slurry to Gluten meal.