Our engineering and design department can study with you a complete chain of pre conditioning for nut with whole or part of the stages below: – washing: Passage in a rotary drum provided with water jets. – Sorting: Manual or mechanical separation of under products or possible stones – Convoying: transport of nuts by various carpets of specific size or length. – drying: Storage in a drier with hot air or they will remain 3 to 4 days. – calibration: The calibrator one sorts nuts according to their size – the breaking: The calibrator one and its pneumatic separators help to release green walnut of its shell.