Okadaya Co., Ltd. is a pickle manufacturing company founded 1955. The 4D-based stock management system is used to manage 3000 to 4000 items, with 4D having been used in the business for more than 15 years, and the president of the company mainaining the system by himself. The system includes the automatic ordering via fax and stock management by bar codes. By sharing the data with commercial accounting software, efficiency is growing. There are plans to expand business to wider processing of agricultural products in the future.