In the same area, one will find different quality of RCN initially, middle and end of the season. The way you put together Tiger Nuts shouldn't be the identical means you put together RCN or Dried Ginger Slices. Quality of the Raw Cashew Nut (RCN), which is based on its measurement, yield and defectiveness. Raw Cashew Nut cleansing, weighing & Bagging system.